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Filed pursuant to Rule 424(b)(4)
Registration No. 333-253617

16,550,000 Shares

CLASS A COMMON STOCK

This is an initial public offering of shares of Class A common stock of ACV Auctions Inc. We are offering 16,550,000 shares of our Class A common stock.

Prior to this offering, there has been no public market for our Class A common stock. The initial public offering price for our Class A common stock will be $25.00 per share. Our Class A common stock has been approved for listing on The Nasdaq Stock Market under the symbol “ACVA.”

Following this offering, we will have two classes of common stock: Class A common stock and Class B common stock. The rights of the holders of Class A common stock and Class B common stock will be identical, except with respect to voting, conversion and transfer rights. Each share of Class A common stock will be entitled to one vote. Each share of Class B common stock will be entitled to ten votes and may be converted at any time into one share of Class A common stock. All shares of our capital stock outstanding immediately prior to this offering, including all shares held by our executive officers, directors and their respective affiliates, and all shares issuable upon the conversion of our outstanding convertible preferred stock, will be reclassified into shares of our Class B common stock immediately prior to the completion of this offering. Each share of Class B common stock will automatically convert into one share of Class A common stock upon any sale or transfer thereof, subject to certain exceptions. In addition, all shares of Class B common stock will automatically convert into shares of Class A common stock in certain circumstances, including the earlier to occur of (1) the first trading day that the outstanding shares of Class B common stock represent, in the aggregate, less than 5.0% of the then outstanding Class A and Class B common stock or (2) the tenth anniversary of this offering. See “Description of Capital Stock— Class A Common Stock and Class B Common Stock.” The holders of our outstanding Class B common stock will hold approximately 98.8% of the voting power of our outstanding capital stock immediately following this offering, assuming no exercise of the underwriters’ option to purchase shares of Class A common stock to cover over-allotments.

We are an “emerging growth company” as defined under the federal securities laws and, as such, we have elected to comply with certain reduced reporting requirements for this prospectus and may elect to do so in future filings.

Investing in our Class A common stock involves risks. See “Risk Factors” beginning on page 19 to read about factors you should consider before buying our Class A common stock.

Neither the Securities and Exchange Commission nor any other regulatory body has approved or disapproved of these securities or passed upon the accuracy or adequacy of this prospectus. Any representation to the contrary is a criminal offense.

The selling stockholders identified in this prospectus have granted the underwriters an option for a period of 30 days to purchase up to an additional 2,482,500 shares of Class A common stock at the initial public offering price less the underwriting discounts and commissions. We will not receive any of the proceeds from the sale of any shares of Class A common stock by the selling stockholders upon any such exercise.

The underwriters expect to deliver the shares of Class A common stock to purchasers on March 26, 2021.

Prospectus dated March 23, 2021.

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Prospectus

Through and including April 17, 2021 (the 25^th day after the date of this prospectus), all dealers effecting transactions in these securities, whether or not participating in this offering, may be required to deliver a prospectus. This is in addition to a dealer’s obligation to deliver a prospectus when acting as an underwriter and with respect to an unsold allotment or subscription.

Neither we, the selling stockholders nor any of the underwriters have authorized anyone to provide any information or to make any representations other than those contained in this prospectus or in any free writing prospectuses we have prepared. Neither we, the selling stockholders nor any of the underwriters take responsibility for, or can provide any assurance as to the reliability of, any other information that others may give you. We, the selling stockholders and the underwriters are offering to sell, and seeking offers to buy, shares of our Class A common stock only under circumstances and in jurisdictions where offers and sales are permitted. The information contained in this prospectus is accurate only as of the date of this prospectus, regardless of the time of delivery of this prospectus or of any sale of our Class A common stock.

For investors outside the United States: neither we, the selling stockholders nor any of the underwriters have done anything that would permit this offering or possession or distribution of this prospectus in any jurisdiction where action for that purpose is required, other than in the United States. Persons outside of the United States who come into possession of this prospectus must inform themselves about, and observe any restrictions relating to, the offering of the shares of our Class A common stock and the distribution of this prospectus outside of the United States.

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“ACV Auctions,” the ACV logo, “True360” and our other registered and common law trade names, trademarks and service marks are the property of ACV Auctions Inc. or our subsidiaries. All other trademarks, trade names and service marks appearing in this prospectus are the property of their respective owners. Solely for convenience, the trademarks and trade names in this prospectus may be referred to without the ^® and ^™ symbols, but such references should not be construed as any indicator that their respective owners will not assert their rights thereto.

References in this prospectus to ACV as an “auction” are meant to reflect a potential customer’s understanding of the term since customers may see ACV as an alternative to a traditional auto auction, and are not intended for any other purpose.

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RISK FACTORS

This offering and an investment in our Class A common stock involve a high degree of risk. You should carefully consider the risks described below, together with the financial and other information contained in this prospectus, including the section titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and our consolidated financial statements and related notes, before you decide to purchase shares of our Class A common stock. If any of the following risks or additional risks and uncertainties not presently known to us or that we currently believe to be immaterial actually occurs, our business, financial condition, results of operations and prospects could be materially and adversely affected. Unless otherwise indicated, references in these risk factors to our business being harmed will include harm to our business, reputation, brand, financial condition, results of operations, and prospects. As a result, the trading price of our Class A common stock could decline and you could lose all or part of your investment in our Class A common stock.

Risks Related to Our Growth and Capital Requirements

Our recent, rapid growth may not be indicative of our future growth.

Our revenue was $106.8 million and $208.4 million for the years ended December 31, 2019 and 2020, respectively. You should not rely on the revenue growth of any prior period as an indication of our future performance. Even if our revenue continues to increase, we expect that our revenue growth rate will decline in the future as a result of a variety of factors, including the maturation of our business, increased competition, changes to technology, a decrease in the growth of our overall market or our failure, for any reason, to continue to take advantage of growth opportunities. Overall growth of our revenue depends on a number of additional factors, including our ability to:

We may not successfully accomplish any of these objectives, and as a result, it is difficult for us to forecast our future results of operations. If the assumptions that we use to plan our business are incorrect or change in reaction to changes in our market, or if we are unable to maintain consistent revenue or revenue growth, our stock price could be volatile, and it may be difficult to achieve and maintain profitability.

Our business has grown rapidly as new customers have begun to trust and use our online platform and value-added products and services as a new way to buy and sell their vehicles to other dealers. However, our business is relatively new and has operated at substantial scale for only a

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limited period of time. Given this limited history, it is difficult to predict whether we will be able to maintain or grow our business. Our historical revenue or revenue growth should not be considered indicative of our future performance. We have encountered, and will continue to encounter, risks and difficulties frequently experienced by growing companies in rapidly changing industries, including difficulties in our ability to achieve market acceptance of our platform, products and services and attract customers, as well as increasing competition and increasing expenses as we continue to grow our business. We also expect that our business will evolve in ways that may be difficult to predict. For example, over time our investments that are intended to drive new customer traffic to our platform may be less productive than expected. In the event of this or any other adverse developments, our continued success will depend on our ability to successfully adjust our strategy to meet changing market dynamics. If we are unable to do so, our business may be harmed.

In addition, as a result of the ongoing COVID-19 pandemic, our operating results in 2020 may not be indicative of our future performance. Beginning in March 2020, our customers’ operations were initially significantly disrupted in certain jurisdictions, causing a temporary significant decrease in activity on our online marketplace. Our operating results were initially negatively impacted by the COVID-19 pandemic at the end of the first quarter and the beginning of the second quarter of 2020. This initial negative disruption began to subside in May 2020 as the demand for used vehicles on a national level began to outpace supply, leading to higher used vehicle valuations and a higher percentage of successful auctions, and as dealers and commercial partners looked to an online marketplace to transact remotely. These market and industry trends combined with the strength of our service offerings drove favorable operating results. You should not rely on our financial performance for any period of 2020 as an indication of our future performance. Moreover, we cannot predict how the COVID-19 pandemic will continue to develop, whether and to what extent government regulations or other restrictions may impact our operations or those of our customers, or whether or to what extent the COVID-19 pandemic or the effects thereof may have longer term unanticipated impacts on our business.

Our recent, rapid growth has placed and may continue to place significant demands on our management and our operational and financial resources. We have experienced significant growth in the number of customers on our platform as well as the amount of data that we analyze. We have hired and expect to continue hiring additional personnel to support our rapid growth. Our organizational structure is becoming more complex as we add staff, and we will need to continue to improve our operational, financial and management controls as well as our reporting systems and procedures. This will require significant capital expenditures and the allocation of valuable management resources to grow and adapt in these areas without undermining our corporate culture of teamwork. If we cannot manage our growth effectively to maintain the quality and efficiency of our customers’ experience, our business may be harmed.

We have a history of operating losses and we may not achieve or maintain profitability in the future.

We have experienced net losses in each annual period since inception. We generated a net loss of $77.2 million and $41.0 million for the years ended December 31, 2019 and 2020, respectively. As of December 31, 2020, we had an accumulated deficit of $167.0 million. While we have experienced significant revenue growth in recent periods, we are not certain whether or when we will obtain a high enough volume of revenue to sustain or increase our growth or achieve or maintain profitability in the future. We also expect our costs and expenses to increase in future periods, which could negatively affect our future results of operations if our revenue does not increase sufficiently to cover increased costs. In particular, we intend to continue to expend substantial financial and other resources on:

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Our efforts to grow our business may not be successful or may be costlier than we expect, or the rate of our growth in revenue may be slower than we expect, and we may not be able to increase our revenue enough to offset our increased operating expenses. We may incur significant losses in the future for a number of reasons, including the other risks described herein, and unforeseen expenses, difficulties, complications or delays, and other unknown events. If we are unable to achieve and sustain profitability, the value of our business and Class A common stock may significantly decrease.

We have a limited operating history, and our future results of operations may fluctuate significantly due to a wide range of factors, which makes it difficult to forecast our future results of operations.

We commenced operations in 2014. As a result of our limited operating history, our ability to accurately forecast our future results of operations is limited and subject to a number of uncertainties, including our ability to plan for and model future growth. Our revenue and results of operations have historically varied from period to period, and we expect that they will continue to do so; therefore, our historical revenue growth should not be considered indicative of our future performance. Further, in future periods, our revenue growth could slow or our revenue could decline for a number of reasons, many of which are outside of our control, including:

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Any one of these or other factors discussed elsewhere in this prospectus or the cumulative effect of some of these factors may result in fluctuations in our revenue and operating results, meaning that quarter-to-quarter comparisons of our revenue, results of operations and cash flows may not necessarily be indicative of our future performance and may cause us to miss our guidance and analyst expectations and may cause the price of our Class A common stock to decline.

We have also encountered, and will continue to encounter, other risks and uncertainties frequently experienced by growing companies in rapidly changing industries, such as the risks and uncertainties described in this prospectus. If our assumptions regarding these risks and uncertainties and our future revenue growth are incorrect or change, including as a result of changes driven by developments related to the ongoing COVID-19 pandemic, or if we do not address these risks successfully, our operating and financial results could differ materially from our expectations, and our business may be harmed.

We may require additional debt and equity capital to pursue our business objectives and respond to business opportunities, challenges or unforeseen circumstances. If such capital is not available to us, our business may be harmed.

We may require additional capital to pursue our business objectives and respond to business opportunities, challenges or unforeseen circumstances, including to develop new products or services or further improve existing products and services, expand our geographical footprint, enhance our operating infrastructure, increase our marketing and sales expenditures to improve our brand awareness, and acquire complementary businesses and technologies. Accordingly, we may need to engage in equity or debt financings to secure additional funds. However, additional funds may not be available when we need them, on terms that are acceptable to us, or at all. Moreover, any debt financing that we secure in the future could involve restrictive covenants, which may make it more difficult for us to operate our business, obtain additional capital and to pursue business opportunities. Volatility in the credit markets may also have an adverse effect on our ability to obtain debt financing. If we raise additional funds through further issuances of equity or convertible debt securities, our existing stockholders could suffer significant dilution, and any new equity securities we issue could have rights, preferences and privileges superior to those of holders of our Class A common stock. If we are unable to obtain adequate financing or financing on terms satisfactory to us when we require it, we may be forced to obtain financing on undesirable terms or our ability to continue to pursue our business objectives and to respond to business opportunities, challenges or unforeseen circumstances could be significantly limited, and our business, results of operations and financial condition may be harmed.

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Risks Related to Our Business, Our Brand and Our Industry

Our ability to expand our products and services may be limited, which could negatively impact our growth rate, revenue and financial performance.

Currently, our platform consists of our digital marketplace, including our auction and value-added services, ACV Capital and ACV Transportation, Go Green assurance and data services, including our True360 and ACV Market reports, and data and technology, including our inspection services. If we introduce new products and services or expand existing offerings on our platform, we may incur losses or otherwise fail to enter these markets successfully. Our expansion into these markets may place us in competitive and regulatory environments with which we are unfamiliar and involve various risks, including the need to invest significant resources to familiarize ourselves with such frameworks and the possibility that returns on such investments may not be achieved for several years, if at all. In attempting to establish new offerings, we expect to incur significant expenses and face various other challenges, such as expanding our engineering team, sales team and management personnel to cover these markets and complying with complicated regulations that apply to these markets. In addition, we may not successfully demonstrate the value of these value-added products and services to customers, and failure to do so would compromise our ability to successfully expand into these additional revenue streams. Any of these risks, if realized, may harm our business, results of operations and financial condition.

We participate in a highly competitive industry, and pressure from existing and new companies may adversely affect our business and results of operations.

We mainly compete with large, national offline vehicle auction companies, such as Manheim, a subsidiary of Cox Enterprises, Inc., and KAR Auction Services. The offline vehicle auction market in North America is largely consolidated, with Manheim and KAR Auction Services serving as large players in the market. Both of these traditional offline vehicle auction companies are expanding into the online channel and have launched online auctions in connection with their physical auctions, including Manheim Express and TradeRev/BacklotCars (KAR Auction Services’ mobile application). We also compete with a number of smaller digital auction companies. In addition, we compete with smaller chains of auctions and independent auctions. Our dealers also compete on vehicles that may go to peer-to-peer online marketplaces such as Facebook, Craigslist, eBay Motors and Nextdoor.com.

Our future success also depends on our ability to respond to evolving industry trends, changes in customer requirements and new technologies. If new industry trends take hold, the automotive remarketing industry’s economics could significantly change, and we may need to incur additional costs or otherwise alter our business model to adapt to these changes. Some of our competitors have much greater financial and marketing resources than we have, may be able to respond more quickly to evolving industry dynamics and changes in customer requirements or may be able to devote greater resources to the development, promotion and sale of new or emerging services and technologies. Our ability to successfully grow through investments in the area of emerging opportunities depends on many factors, including advancements in technology, regulatory changes and other factors that are difficult to predict. If we are unable to compete successfully or to successfully adapt to industry changes, our business may be harmed.

Our business is sensitive to changes in the prices of used vehicles.

Any significant changes in retail prices for new or used vehicles could harm our business. For example, if retail prices for used vehicles rise relative to retail prices for new vehicles, it could make buying a new vehicle more attractive to consumers than buying a used vehicle, which could result in reduced used vehicle wholesale sales and adversely impact our business, results of operations and

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financial condition. Used vehicle prices may affect the volume of vehicles entered for sale in our marketplace and the demand for those used vehicles, the fee revenue per unit, and our ability to retain customers. When used vehicle prices are high, used vehicle dealers may retail more of their trade-in vehicles on their own rather than selling them through our marketplace. Additionally, manufacturer incentives, including financing, could contribute to narrowing the price gap between new and used vehicles.

Our business depends on growing the share of wholesale transactions from existing customers, and the failure to do so would have a material adverse effect on our business, financial condition and results of operations.

Our business depends on our ability to grow the share of wholesale transactions from existing customers, increasing the number of wholesale transactions they conduct on our platform. Our customers have no obligation to conduct a minimum number of transactions on our platform or to continue using our platform over time. In order for us to maintain or improve our results of operations, it is important that our customers continue using our platform and increase the share of wholesale transactions which they complete on our platform. We cannot accurately predict whether we will grow the share of wholesale transactions from existing customers. The volume of transactions from existing customers may decline or fluctuate as a result of a number of factors, including business strength or weakness of our customers, customer satisfaction with our platform and other offerings, our fees, the capabilities and fees of our competitors or the effects of global economic conditions. These factors may also be exacerbated if, consistent with our growth strategy, our customer base continues to grow to encompass larger enterprises, which may also require more sophisticated and costly sales efforts. If our customers do not continue to use our digital marketplace or purchase additional services from us, our revenue may decline and our business, financial condition and results of operations may be harmed.

Decreases in the supply of used vehicles coming to the wholesale market may impact sales volumes, which may adversely affect our revenue and profitability.

Decreases in the supply of used vehicles coming to the wholesale market could reduce the number of vehicles sold through our marketplace. The number of new and used vehicles that are purchased or leased by consumers affects the supply of vehicles coming to auction in future periods. For example, an erosion of retail demand for new and used vehicles could cause lenders to reduce originations of new loans and leases, and lead to manufacturing capacity reductions by automakers selling vehicles in the United States. Capacity reductions could depress the number of vehicles coming to the wholesale market in the future in the future and could lead to reduced numbers of vehicles from various suppliers, negatively impacting auction volumes. If the supply of used vehicles coming to the wholesale market declines, our revenue and profitability may be harmed.

The loss of sellers could adversely affect our results of operations and financial position, and an inability to increase our sources of vehicle supply could adversely affect our growth rates.

Vehicle sellers may cease to use our marketplace in particular markets from time to time, or may choose to sell some of their vehicles through other auction companies with which we compete, which could affect our revenue in the markets in which such sellers are based. There can be no assurance that our existing customers will continue to sell their vehicles through our marketplace. Furthermore, there can be no assurance that we will be able to obtain new vehicle sellers as customers or that we will be able to retain our existing supply of used vehicles. In addition, a failure to increase our sources of vehicle supply could adversely affect our earnings and revenue growth rates.

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We may experience seasonal and other fluctuations in our quarterly results of operations, which may not fully reflect the underlying performance of our business.

Our quarterly results of operations, including our revenue, net loss and cash flow have in the past varied, and we expect will in the future vary, significantly based in part on, among other things, vehicle-buying patterns. Vehicle sales typically peak late in the first calendar quarter, with the lowest relative level of industry vehicle sales occurring in the fourth calendar quarter. This seasonality historically corresponds with the timing of income tax refunds, which can provide a primary source of funds for customers’ payments on used vehicle purchases. Used vehicle pricing is also impacted by seasonality, with used vehicles depreciating at a faster rate in the last two quarters of each year and a slower rate in the first two quarters of each year.

Other factors that may cause our quarterly results to fluctuate include, without limitation:

In addition, a significant portion of our expenses are fixed and do not vary proportionately with fluctuations in revenue. As a result of these seasonal fluctuations, our results in any quarter may not be indicative of the results we may achieve in any subsequent quarter or for the full year, and period-to-period comparisons of our results of operations may not be meaningful.

Prospective purchasers of vehicles may choose not to shop online, which would prevent us from growing our business.

Our success will depend, in part, on our ability to attract additional customers who have historically purchased vehicles through physical auctions, which accounted for an estimated 50% of wholesale transactions in 2019. If we fail to convince potential customers who have historically purchased vehicles entirely or primarily through physical auctions to use our digital marketplace, we may not be able to grow at the rate we expect and our business may suffer. Furthermore, we may have to incur significantly higher and more sustained advertising and promotional expenditures or offer more incentives than we currently anticipate in order to attract additional buyers to our platform and convert them into participants on our online auction marketplace. Specific factors that could prevent participants from transacting on our platform include:

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If the online market for vehicles does not continue to develop and grow, our business will not grow and our business, financial condition and results of operations could be materially adversely affected.

Failure to properly and accurately inspect the condition of vehicles sold through our marketplace, or to deal effectively with fraudulent activities on our platform, could harm our business.

We face risks with respect to the condition of vehicles sold through our marketplace. We are engaged to inspect the majority of vehicles sold through our marketplace. We periodically receive complaints from buyers and sellers who believe our inspection reports are not consistent with the condition of the relevant vehicle sold through our marketplace. While our arbitration policy provides that we make no representations or guarantees regarding any vehicles sold through our marketplace, if our inspection reports are found to be inaccurate or otherwise fail to disclose material defects with vehicles, we risk diminished customer confidence in and use of our services. In addition, buyers may be entitled in certain circumstances to cancellation of their purchase, which could reduce the amount of revenue we earn from the relevant sale.

In addition, through our Go Green assurance, we offer sellers an assurance with regard to our vehicle inspection services with increased protection from the provisions of our arbitration policy. When a seller elects to use our Go Green program, we are obligated to stand behind the quality of our inspection services and related inspection report. In situations where we conclude that a buyer has made a valid arbitration claim with respect to inadequate or omitted disclosures of defects in an inspection report, we must make the remedy directly to the buyer on the seller’s behalf. If we fail to provide accurate inspection reports for a large number of sellers using our Go Green assurance program, the resulting payment obligations to the buyer may adversely affect our business, results of operations and financial condition. Under the Go Green assurance program, we have the opportunity to resell the vehicle if the original transaction is unwound due to errors in the inspection report. However, the second buyer may only be willing to pay a lower price for the vehicle than the first buyer, and we bear the risk of loss for such resale as well, which may adversely affect our results of operations and financial condition.

In addition, we face risks with respect to fraudulent activities on our platform, including the sale of illegally-acquired vehicles through our auction marketplace, the unauthorized entry into and use of our platform by persons who do not meet our criteria and standards, and participation of buyers in our auctions who have no intention to pay. For example, we have previously received complaints from a small number of buyers who purchased vehicles which were later determined to have been stolen. In addition, a lawsuit was recently brought against us alleging a conspiracy to set bids on our marketplace from transactions that originated from one seller. See the section of this prospectus titled “Business—Legal Proceedings” for further information regarding this matter. Allegations of fraudulent activity on our auction marketplace, even if untrue, may materially and adversely impact our reputation, business and financial condition, as well as our ability to attract new customers and retain current customers.

Although we have implemented measures designed to detect and reduce the occurrence of fraudulent activities on our platform and combat bad customer experiences, there can be no assurance that these measures will be effective in combating fraudulent transactions or improving overall satisfaction among sellers, buyers, and other participants. Additional measures to address fraud could negatively affect the attractiveness of our services to buyers or sellers, resulting in a reduction in the ability to attract new customers or retain current customers. Any actual or alleged future fraudulent activity may damage our reputation, or diminish the value of our brand name, either of which could adversely impact our business, results of operations and financial condition.

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If the quality of our customer experience, our reputation or our brand were negatively affected, our business, results of operations and financial condition may be harmed.

Our business model is primarily based on our ability to enable customers to buy and sell used vehicles through our marketplace in a seamless, transparent and hassle-free transaction. If our customers fail to perceive us as a trusted brand with a strong reputation and high standards, or if an event occurs that damages our reputation or our brand, it could adversely affect customer demand and adversely affect our business, results of operations and financial condition. Even the perception of a decrease in the quality of our customer experience or brand could impact results. Our high rate of growth makes maintaining the quality of our customer experience more difficult.

Complaints or negative publicity about our business practices, inspection quality, compliance with applicable laws and regulations, data privacy and security or other aspects of our business, especially on blogs and social media websites, could diminish customer confidence in our platform and adversely affect our brand, irrespective of their validity. The growing use of social media increases the speed with which information and opinions can be shared and thus the speed with which our reputation can be damaged. If we fail to correct or mitigate misinformation or negative information about us, our platform, our customer experience, our brand or any aspect of our business, including information spread through social media or traditional media channels, it may harm our business, results of operations and financial condition.

We rely on third-party carriers to transport vehicles throughout the United States and are subject to business risks and costs associated with such carriers and with the transportation industry, many of which are out of our control.

We rely on third-party carriers to transport vehicles sold through our marketplace to our customers. As a result, we are exposed to risks associated with the transportation industry such as weather, traffic patterns, local and federal regulations, vehicular crashes, gasoline prices and lack of reliability of many independent carriers. Our third-party carriers who deliver vehicles to our customers could adversely affect the customer experience if they do not perform to our standards of timeliness and care while handling the vehicles, which may harm our business.

Our future growth and profitability relies on the effectiveness and efficiency of our sales and marketing efforts, and these efforts may not be successful.

We rely on our sales and marketing organization to increase brand visibility among dealers and attract potential customers. Sales and marketing expenses are and will continue to be a significant component of our operating expenses, and there can be no assurance that we will achieve a meaningful return on investment on such expenditures, particularly as we expand our operations into new geographic areas. We continue to evolve our marketing strategies and no assurance can be given that we will be successful in developing effective messages and in achieving efficiency in our sales and marketing expenditures.

Our marketing initiatives aim to drive brand awareness and engagement among dealers in order to position us as the trusted online wholesale marketplace. We acquire new dealers through a variety of marketing channels including social media, search engine optimization and brand-oriented marketing campaigns, and we have expanded our in-house marketing significantly in recent years. Future growth and profitability will depend in part on the cost and efficiency of our promotional advertising and marketing programs and related expenditures, including our ability to create greater awareness of our platform and brand name, to appropriately plan for future expenditures and to drive the promotion of our platform. If we are unable to recover our marketing costs through increases in customer traffic and incremental sales, or if our marketing campaigns are not successful or are terminated, our growth may suffer and our business may be harmed.

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We bear settlement risk for vehicles sold through our auctions.

We bear settlement risk in connection with sales made through our platform. We settle transactions among buyers and sellers using our marketplace, and as a result, the value of each vehicle sold passes through our balance sheet. Since revenue for vehicles does not include the gross sales proceeds, failure to collect the receivables in full may result in a net loss up to the gross sales proceeds on a per vehicle basis in addition to any expenses incurred to collect the receivables and to provide the services associated with the vehicle. If we are unable to collect payments on a large number of vehicles, the resulting costs of unwinding the transaction and decreased fee revenue may adversely affect our results of operations and financial condition.

Acquisitions, strategic investments, partnerships, or alliances could be difficult to identify, pose integration challenges, divert the attention of management, disrupt our business, dilute stockholder value, and adversely affect our business, results of operations and financial condition.

We have in the past and may in the future seek to acquire or invest in businesses, joint ventures, products and platform capabilities, or technologies that we believe could complement or expand our services and platform capabilities, enhance our technical capabilities, or otherwise offer growth opportunities. Further, our anticipated proceeds from this offering increase the likelihood that we will devote resources to exploring larger and more complex acquisitions and investments than we have previously attempted. Any such acquisition or investment may divert the attention of management and cause us to incur various expenses in identifying, investigating and pursuing suitable opportunities, whether or not the transactions are completed, and may result in unforeseen operating difficulties and expenditures. In particular, we may encounter difficulties assimilating or integrating the businesses, technologies, products and platform capabilities, personnel or operations of any acquired companies, particularly if the key personnel of an acquired company choose not to work for us, their software is not easily adapted to work with our platform, or we have difficulty retaining the customers of any acquired business due to changes in ownership, management or otherwise. These transactions may also disrupt our business, divert our resources, and require significant management attention that would otherwise be available for development of our existing business. Any such transactions that we are able to complete may not result in any synergies or other benefits we had expected to achieve, which could result in impairment charges that could be substantial. In addition, we may not be able to find and identify desirable acquisition targets or business opportunities or be successful in entering into an agreement with any particular strategic partner. These transactions could also result in dilutive issuances of equity securities or the incurrence of debt, which could adversely affect our results of operations. In addition, if the resulting business from such a transaction fails to meet our expectations, our business, results of operations and financial condition may be harmed or we may be exposed to unknown risks or liabilities.

Our insurance may not provide adequate levels of coverage against claims.

We believe that we maintain insurance customary for businesses of our size and type. However, there are types of losses we may incur that cannot be insured against or that we believe are not economically reasonable to insure. Moreover, any loss incurred could exceed policy limits and policy payments made to us may not be made on a timely basis. For example, insurance we maintain against liability claims may not continue to be available on terms acceptable to us and such coverage may not be adequate to cover the types of liabilities actually incurred. A successful claim brought against us, if not fully covered by available insurance coverage, may harm our business.

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We depend on key personnel to operate our business, and if we are unable to retain, attract and integrate qualified personnel, our ability to develop and successfully grow our business could be harmed.

We believe our success has depended, and continues to depend, on the efforts and talents of our executives and employees. Our future success depends on our continuing ability to attract, develop, motivate and retain highly qualified and skilled employees. Qualified individuals are in high demand, and we may incur significant costs to attract and retain them. In addition, the loss of any of our key employees or senior management could adversely affect our ability to execute our business plan and strategy, and we may not be able to find adequate replacements on a timely basis, or at all. Our executive officers and other employees are at-will employees, which means they may terminate their employment relationship with us at any time, and their knowledge of our business and industry would be extremely difficult to replace. We may not be able to retain the services of any members of our senior management or other key employees. If we do not succeed in attracting well-qualified employees or retaining and motivating existing employees, our business may be harmed.

Risks Related to Socioeconomic Factors

Our operations and employees face risks related to health crises, such as the ongoing COVID-19 pandemic, that could adversely affect our financial condition and operating results.

In connection with the COVID-19 pandemic, governments have implemented significant measures, including closures, quarantines, travel restrictions and other social distancing directives, intended to control the spread of the virus. Companies have also taken precautions, such as requiring employees to work remotely, imposing travel restrictions and temporarily closing businesses. In response to the risks posed by the COVID-19 pandemic and to comply with applicable governmental orders, we have asked almost all of our office-based employees to work from home. In addition, we have introduced stringent new health and safety requirements for our inspectors out in the field, including use of personal protective equipment, limited travel between states, and mandatory social distancing. These and other operational changes we have implemented may negatively impact productivity and disrupt our business. We may also take further actions that alter our operations as may be required by applicable government authorities or that we determine are in the best interests of our employees.

To the extent that these restrictions remain in place, additional prevention and mitigation measures are implemented in the future, or there is uncertainty about the effectiveness of these or any other measures to contain or treat COVID-19, there is likely to be an adverse impact on global economic conditions and customer confidence and spending, which could materially and adversely affect our operations as well as our relationships with partners and customers and demand for used cars. Our car dealership customers’ operations were initially significantly disrupted in certain jurisdictions, causing a temporary significant decrease in activity on our online marketplace. While at this time we are working to manage and mitigate potential disruptions to our operations, and we have experienced increases in demand as compared to prior periods following the initial disruption caused by the COVID-19 pandemic, the fluid nature of the pandemic and uncertainties regarding the related economic impact are likely to result in sustained market turmoil, which may harm our business, results of operations and financial condition. We cannot predict how the COVID-19 pandemic will continue to develop, whether and to what extent government regulations or other restrictions may impact our operations or those of our customers, or whether or to what extent the COVID-19 pandemic or the effects thereof may have longer term unanticipated impacts on our business, and you should not rely on our financial performance for any period of 2020 as an indication of our future performance.

Significant disruptions of global financial markets would reduce our ability to access capital, which could in the future negatively affect our liquidity. For example, our customers may be unable fulfill their

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obligations to us in a timely manner or at all, and to the extent our customers’ operations have been and continue to be negatively impacted, they may delay payments to us, reduce their willingness to sell or purchase vehicles through our marketplace or elect not to use our platform at all. As a result, the COVID-19 pandemic may have an adverse impact on our revenue in the near term.

The extent of COVID-19’s effect on our operational and financial performance will depend on future developments, including the duration, spread and intensity of the pandemic, all of which are uncertain and difficult to predict considering the rapidly evolving landscape. As a result, it is not currently possible to ascertain the overall impact of COVID-19 on our business. However, if the pandemic continues to persist as a severe worldwide health crisis, the disease may harm our business, and may also have the effect of heightening many of the other risks described in this “Risk Factors” section.

General business and economic conditions, and risks related to the larger automotive ecosystem, including customer demand, could reduce auto sales and profitability, which may harm our business.

Our business is affected by general business and economic conditions. The global economy often experiences periods of instability, and this volatility could increase our exposure to several risks. We are dependent on the supply of used vehicles in the wholesale market, and our financial performance depends, in part, on conditions in the automotive industry. During past global economic downturns, there has been an erosion of retail demand for new and used vehicles that, together with other factors such as financial market instability, led many lenders to reduce originations of new loans and leases and led to significant manufacturing capacity reductions by automakers selling vehicles in the United States and Canada. Capacity reductions could depress the number of vehicles that become part of the wholesale market in the future and could lead to reduced numbers of vehicles from various suppliers, negatively impacting our volumes. In addition, weak growth in or declining new vehicle sales negatively impacts used vehicle trade-ins to dealers and wholesale volumes. These factors could adversely affect our revenue and profitability.

In addition, we may experience a decrease in demand for used vehicles from buyers due to factors including the lack of availability of consumer credit and declines in consumer spending and consumer confidence. Adverse credit conditions also affect the ability of dealers to secure financing to purchase used vehicles on the wholesale market, which further negatively affects buyer demand. In addition, a reduction in the number of franchised and independent used car dealers may reduce dealer demand for used vehicles.

Consumer purchases of new and used vehicles may also be adversely affected by economic conditions such as employment levels, wage and salary levels, trends in consumer confidence and spending, reductions in consumer net worth, interest rates, inflation, the availability of consumer credit and taxation policies. Consumer purchases in general may decline during recessions, periods of prolonged declines in the equity markets or housing markets and periods when disposable income and perceptions of consumer wealth are lower. Changes to U.S. federal tax policy may negatively affect consumer spending.

In addition, the market for used vehicles may be impacted by the significant, and likely accelerating, changes to the broader automotive industry, which may render our existing or future business model or our auction marketplace and value-added products and services less competitive, unmarketable or obsolete. For example, technology is currently being developed to produce automated, driverless vehicles that could reduce the demand for, or replace, traditional vehicles, including the used vehicles that are sold through our marketplace. Additionally, ride-hailing and ride-sharing services are becoming increasingly popular as a means of transportation and may decrease

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consumer demand for the used vehicles, particularly as urbanization increases. To the extent retail and rental car company demand for new and used vehicles decreases, negatively impacting our volumes, our results of operations and financial position could be materially and adversely affected.

Dealer closures or consolidations could reduce demand for our products, which may decrease our revenue. In the past, the number of U.S. dealers has declined due to dealership closures and consolidations as a result of varying factors, such as increased competitive pressure from online vehicle retailers and global economic downturns. When dealers consolidate, the services they previously purchased separately are often purchased by the combined entity in a lesser quantity or for a lower aggregate price than before, leading to volume compression and loss of revenue. Further dealership consolidations or closures could reduce the aggregate demand for our platform and value-added products and services. If dealership closures and consolidations occur in the future, our business may be harmed.

Additionally, due to high fragmentation in the dealer industry, a small number of interested parties have significant influence over the industry. These parties include state and national dealership associations, state regulators, car manufacturers, consumer groups, independent dealers, and consolidated dealer groups. If and to the extent these parties believe that dealerships should not enter into or maintain business with us, this belief could become shared by dealerships and we may lose a number of our paying dealers.

Our business is subject to the risk of natural disasters, adverse weather events and other catastrophic events, and to interruption by manmade problems such as terrorism.

Our business is vulnerable to damage or interruption from earthquakes, fires, floods, power losses, telecommunications failures, terrorist attacks, acts of war, global pandemics, adverse weather events, human errors, infrastructure failures and similar events. For example, the United States experienced record snowfalls affecting millions of people in early 2021, which temporarily adversely affected our operations. The third-party systems and operations on which we rely are subject to similar risks. For example, we rely on FedEx in order to ship and deliver titles in connection with vehicle sales through our marketplace, and the disruption to FedEx’s service as a result of a natural disaster could have an adverse effect on our business, financial condition and operating results. Acts of terrorism could also cause disruptions in our businesses, consumer demand or the economy as a whole. We may not have sufficient protection or recovery plans in some circumstances, such as if a natural disaster affects main transportation routes for the delivery of vehicles. Any such disruptions could negatively affect our ability to run our business, which could have an adverse effect on our business, financial condition and operating results.

Risks Related to Information Technology and Intellectual Property

We may not properly leverage or make the appropriate investment in technology advancements, which could result in the loss of any sustainable competitive advantage in products, services and processes.

Our business is dependent on our data-driven platform. Robust information technology systems, platforms and products are critical to our operating environment, digital online products and competitive position. Understanding technology innovation is necessary to retain our competitive advantage. We may not be successful in developing, acquiring or implementing new data-driven products and services which are competitive and responsive to the needs of our customers. We might lack sufficient resources to continue to make the significant investments in information technology to compete with our competitors. Certain information technology initiatives that management considers important to our long-term success will require capital investment, have significant risks associated with their execution,

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and could take several years to implement. We may not be able to develop or implement these initiatives in a cost-effective, timely manner or at all. There can be no assurance that others will not acquire similar or superior technologies sooner than we do or that we will acquire technologies on an exclusive basis or at a significant price advantage. If we do not accurately predict, prepare and respond to new kinds of technology innovations, market developments and changing customer needs, our business may be harmed.

If we are unable to adequately address our customers’ increasing reliance on technology or provide a compelling vehicle search experience to customers through both our web and mobile platforms, the number of connections between buying and selling dealers using our marketplace may decline and our business, results of operations and financial condition may be harmed.

As dealers increasingly use technology-based services, including our marketplace and other offerings, our success will depend, in part, on our ability to provide customers with a robust and user-friendly experience on our platform. Given a greater focus on technology in the automotive industry, our future success depends in part on our ability to provide enhanced functionality for dealers who use the web and mobile devices to purchase used vehicles and increase the number of transactions with us that are completed by those dealers. Our ability to provide a compelling user experience, both on the web and through mobile devices, is subject to a number of factors, including:

If use of our web and mobile marketplace is not accepted by the dealer industry, our business may be harmed.

In addition, if we fail to continue to provide a compelling user experience to our customers, the number of connections between buying and selling dealers facilitated through our marketplace could decline, which in turn could lead dealers to stop listing their inventory in our marketplace or cause buyers to look outside our platform for their wholesale purchases. If dealers stop listing their inventory in our marketplace, we may not be able to maintain and grow our customer traffic, which may cause other dealers to stop using our marketplace. This reduction in the number of dealers using our marketplace would likely adversely affect our marketplace and our business, results of operations and financial condition.

We rely on third-party technology and information systems to complete critical business functions and such reliance may negatively impact our business.

We rely on third-party technology for certain critical business functions that help us deliver our products and services and operate our business. Our business is dependent on the integrity, security and efficient operation of these systems and technologies. Our systems and operations or those of our third-party vendors and partners could be exposed to damage or interruption from, among other things, fire, natural disaster, power loss, telecommunications failure, unauthorized entry, computer viruses, denial-of-service attacks, acts

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of terrorism, human error, vandalism or sabotage, financial insolvency, bankruptcy and similar events. The failure of these systems to perform as designed, the failure to maintain or update these systems as necessary, the failure of these systems to comply with applicable law, the vulnerability of these systems to security breaches or attacks or the inability to enhance our information technology capabilities, and our inability to find suitable alternatives could disrupt our operations and harm our business.

A significant disruption in service of, or other performance or reliability issues with, our platform could damage our reputation and result in a loss of customers, which could harm our brand or our business.

Our brand, reputation and ability to attract customers depend on the reliable performance of our platform and the supporting systems, technology and infrastructure. We may experience significant interruptions to our systems in the future. Interruptions in these systems, whether due to system failures, programming or configuration errors, bugs, vulnerabilities, computer viruses, physical or electronic break-ins or similar events, could affect the availability of our inventory on our platform and prevent or inhibit the ability of customers to access our platform. Problems with the reliability or security of our systems could harm our reputation, result in a loss of customers and result in additional costs.

Problems faced by our third-party web-hosting providers, including AWS and Google Cloud, could inhibit the functionality of our platform. For example, our third-party web-hosting providers could close their facilities without adequate notice or suffer interruptions in service caused by cyber-attacks, natural disasters or other phenomena. Disruption of their services could cause our website to be inoperable and could harm our business. Any financial difficulties, up to and including bankruptcy, faced by our third-party web-hosting providers or any of the service providers with whom they contract may have negative effects on our business, the nature and extent of which are difficult to predict. In addition, if our third-party web-hosting providers are unable to keep up with our growing capacity needs, our business may be harmed.

Any errors, defects, disruptions, or other performance or reliability problems with our platform could interrupt our customers’ access to our inventory and our access to data that drives our operations, which could harm our reputation and have an adverse effect on our business, financial condition, and operating results.

We are subject to stringent and changing privacy and data security laws, regulations and standards related to data privacy and security.

There are numerous federal, state and local laws regarding privacy and the collection, processing, storing, sharing, disclosing, using and protecting of personal information and other data, the scope of which are changing, subject to differing interpretations, and which may be costly to comply with, inconsistent between jurisdictions or conflicting with other rules. In addition, if we expand into international markets, we will be subject to a new range of detailed and complex laws regarding privacy and the collection, processing, storing, sharing, disclosing, using and protecting of personal information and other data. We must also comply with operating rules and standards imposed by industry organizations such as the National Automated Clearing House Association and the Payment Card Industry Security Standards Council. Additionally, we are also subject to specific contractual requirements contained in third-party agreements governing our use and protection of personal information and other data. We generally comply with industry standards and are subject to the terms of our privacy policies and the privacy- and security-related obligations to third parties. We strive to comply with applicable laws, policies, legal obligations and industry codes of conduct and operating rules and standards relating to privacy and data protection, to the extent possible. However, it is possible that these obligations may be interpreted and applied in new ways or in a manner that is inconsistent from one jurisdiction to another and may conflict with other rules or our practices. Additionally, new regulations could be enacted with which we are not familiar. Any failure or

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perceived failure by us to comply with our privacy policies, our privacy-related obligations to customers or other third parties, or our privacy-related legal obligations or any compromise of security that results in the unauthorized release or transfer of sensitive information, which may include personally identifiable information or other customer data, may result in governmental enforcement actions, including fines or orders requiring that we change our practices, claims for damages by affected individuals, or litigation or public statements against us by consumer advocacy groups or others and could cause customers and vendors to lose trust in us, which may harm our business. Additionally, if vendors, developers or other third parties that we work with violate applicable laws or our policies, such violations may also put customers’ or vendors’ information at risk and could in turn harm our business. Even if we are not determined to have violated these laws or other obligations, government investigations into these issues typically require the expenditure of significant resources and generate negative publicity.

Privacy and data security regulation in the United States is rapidly evolving. For example, California recently enacted the California Consumer Privacy Act, or CCPA, which became effective January 1, 2020. The CCPA gives California residents expanded rights to access and require deletion of their personal information, opt out of certain personal information sharing, and receive detailed information about how their personal information is used. The CCPA provides for civil penalties for violations, as well as a private right of action for certain data breaches, which is expected to increase the volume and success of class action and other data breach litigation. In addition, on November 3, 2020, California voters approved a new privacy law, the California Privacy Rights Act, or CPRA, which significantly modifies the CCPA, including by expanding consumers’ rights with respect to certain personal information and creating a new state agency to oversee implementation and enforcement efforts. Many of the CPRA’s provisions will become effective on January 1, 2023. Other states are considering the enactment of similar laws, and there is also discussion in Congress of a new comprehensive federal data protection and privacy law to which we likely would be subject if it is enacted. The effects of the CCPA, and other similar state or federal laws, are potentially significant and may require us to modify our data processing practices and policies, incur substantial compliance costs and subject us to increased potential liability.

Additionally, we are subject to the terms of our privacy policies, privacy-related disclosures, and contractual and other privacy-related obligations to our customers and other third parties. Any failure or perceived failure by us or third parties we work with to comply with these policies, disclosures, and obligations to customers or other third parties, or industry oversight organizations, or privacy or data security laws may result in governmental or regulatory investigations, enforcement actions, regulatory or other fines, orders requiring that we change our practices, criminal compliance orders, claims for damages by affected individuals or litigation or public statements against us by consumer advocacy groups or others, and could cause customers to lose trust in us. Any of the foregoing could be costly and have an adverse effect on our business, financial condition, and operating results.

Government regulation of the internet and ecommerce is evolving, and unfavorable changes or failure by us to comply with these regulations could harm our business.

We are subject to general business regulations and laws, as well as regulations and laws specifically governing the internet and ecommerce. Existing and future regulations and laws could impede the growth of the internet, ecommerce or mobile commerce. These regulations and laws may involve taxes, tariffs, privacy and data security, anti-spam, pricing, content protection, electronic contracts and communications, mobile communications, consumer protection, information reporting requirements, unencumbered internet access to our platform, the design and operation of websites and internet neutrality. It is not clear how existing laws governing issues such as property ownership, licensing, sales and other taxes, and consumer privacy apply to the internet as the vast majority of these laws were adopted prior to the advent of the internet and do not contemplate or address the unique issues raised by the internet or ecommerce. It is possible that general business regulations and laws, or those specifically governing the internet or

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ecommerce, may be interpreted and applied in a manner that is inconsistent from one market segment to another and may conflict with other rules or our practices. For example, federal, state and local regulation regarding privacy, data protection and information security has become more significant, and laws such as the CCPA may increase our costs of compliance. We cannot be sure that our practices have complied, comply or will comply fully with all such laws and regulations. The enactment of new laws and regulations or the interpretation of existing laws and regulations in an unfavorable way may affect the operation of our business, directly or indirectly, which could result in substantial regulatory compliance costs, civil or criminal penalties, including fines, adverse publicity, decreased revenue and increased expenses.

It may be costly for us to comply with any of these laws or regulations, and any failure, or perceived failure, by us to comply with any of these laws or regulations could result in damage to our reputation, a loss in business and proceedings or actions against us by governmental entities or others. Any such proceeding or action could hurt our reputation, force us to spend significant amounts in defense of these proceedings, distract our management, increase our costs of doing business, decrease the use of our sites by customers and suppliers and result in the imposition of monetary liability. We also may be contractually liable to indemnify and hold harmless third parties from the costs or consequences of non-compliance with any such laws or regulations. Adverse legal or regulatory developments could substantially harm our business, our ability to attract new customers may be adversely affected, and we may not be able to maintain or grow our revenue and expand our business as anticipated. Any of the foregoing could have an adverse effect on our business, financial condition, and operating results.

If the security of the personal information that we or our vendors collect, store, use or process is compromised or is otherwise accessed without authorization, or if we fail to comply with our commitments, assurances or other obligations regarding the privacy and security of such information, our reputation may be harmed and we may be exposed to liability and loss of business.

Our platform allows for the storage and transmission of our customers’ proprietary or confidential information, which may include personally identifiable information. We may use third-party service providers and subprocessors to help us deliver services, including payment services, to our customers. These vendors may store or process personal information or payment card information, on our behalf.

Cyberattacks and other malicious internet-based activity continue to increase. In addition to traditional computer “hackers,” malicious code (such as viruses and worms), employee theft or misuse and denial-of-service attacks, sophisticated nation-state and nation-state supported actors now engage in attacks (including advanced persistent threat intrusions). We may also be the subject of phishing attacks, viruses, denial-of-service attacks, malware installation, server malfunction, software or hardware failures, loss of data or other computer assets, adware or other similar issues. While we have security measures in place designed to protect customer information and prevent data loss and other security breaches, there can be no assurance that our security measures or those of our third-party service providers that store or otherwise process certain of our and our customers’ data on our behalf will be effective in protecting against unauthorized access to our platform or our or our customers’ information, particularly given that our ability to monitor our third-party service providers’ data security is limited. The techniques used to sabotage or to obtain unauthorized access to our platform, systems, networks or physical facilities in which data is stored or through which data is transmitted change frequently and often are not identified until they are launched against a target, and we may be unable to implement adequate preventative measures or stop security breaches while they are occurring. The recovery systems, security protocols, network protection mechanisms and other security measures that we have integrated into our platform, systems, networks and physical facilities, which are designed to protect against, detect and minimize security breaches, may not be adequate to prevent or detect service interruption, system failure or data loss. Our platform, systems, networks, and physical facilities could be breached or personal information could be otherwise compromised due to employee,

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contractor or customer error, negligence or malfeasance, if, for example, third parties attempt to fraudulently induce our employees, contractors or our customers to disclose information or user names or passwords, or otherwise compromise the security of our platform, networks, systems and physical facilities. Third parties may also exploit vulnerabilities in, or obtain unauthorized access to, platforms, systems, networks or physical facilities utilized by our vendors.

We are required to comply with laws, rules and regulations that require us to maintain the security of personal information. We have contractual and legal obligations to notify relevant stakeholders of security breaches. We operate in an industry that is prone to cyber-attacks. Failure to prevent or mitigate cyber-attacks could result in the unauthorized access to personal information. Most jurisdictions have enacted laws requiring companies to notify individuals, regulatory authorities, and others of security breaches involving certain types of data. In addition, our agreements with certain customers and partners may require us to notify them in the event of a security breach. Such mandatory disclosures are costly, could lead to negative publicity, may cause our customers to lose confidence in the effectiveness of our security measures and require us to expend significant capital and other resources to respond to or alleviate problems caused by the actual or perceived security breach.

A security breach may cause us to breach customer contracts. Our agreements with certain customers may require us to use industry-standard or reasonable measures to safeguard personal information. We also may be subject to laws that require us to use industry-standard or reasonable security measures to safeguard personal information. A security breach could lead to claims by our customers or other relevant stakeholders that we have failed to comply with such legal or contractual obligations. As a result, we could be subject to legal action or our customers could end their relationships with us. There can be no assurance that the limitations of liability in our contracts would be enforceable or adequate or would otherwise protect us from liabilities or damages.

Further, security compromises experienced by our customers with respect to data hosted on our platform, even if caused by the customer’s own misuse or negligence, may lead to public disclosures, which could harm our reputation, erode customer confidence in the effectiveness of our security measures, negatively impact our ability to attract new customers, or cause existing customers to elect not to renew their subscriptions with us. We may be subject to indemnity demands, regulatory proceedings, audits, penalties or litigation based on our customers’ misuse of our platform with respect to such sensitive information and defending against such litigation and otherwise addressing such matters may be expensive, cause distraction and result in us incurring liability, all of which may harm our business.

Litigation resulting from security breaches may adversely affect our business. Actual or alleged unauthorized access to our or our vendors’ platform, systems, networks, or physical facilities could result in litigation with our customers or other relevant stakeholders. These proceedings could force us to spend money in defense or settlement, divert management’s time and attention, increase our costs of doing business, or adversely affect our reputation. We could be required to fundamentally change our business activities and practices or modify our products and platform capabilities in response to such litigation, which could have an adverse effect on our business. If a security breach were to occur, and the confidentiality, integrity or availability of personal information was disrupted, we could incur significant liability, or our platform, systems or networks may be perceived as less desirable, which could negatively affect our business and damage our reputation.

While we maintain general liability insurance coverage and coverage for errors or omissions, we cannot assure you that such coverage will be adequate or otherwise protect us from liabilities or damages with respect to claims alleging compromises of personal data or that such coverage will continue to be available on acceptable terms or at all. The successful assertion of one or more large

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claims against us that exceeds our available insurance coverage, or results in changes to our insurance policies (including premium increases or the imposition of large deductible or co-insurance requirements), could have an adverse effect on our business. In addition, we cannot be sure that our existing insurance coverage and coverage for errors and omissions will continue to be available on acceptable terms or that our insurers will not deny coverage as to any future claim.

Failure to adequately obtain, maintain, protect and enforce our intellectual property rights, including our technology and confidential information, could harm our business.

The protection of intellectual property, including our brand, technology, confidential information and other proprietary rights, is crucial to the success of our business. We rely on a combination of trademark, trade secret, patent, and copyright law, as well as contractual restrictions, to protect our intellectual property. While it is our policy to protect and defend our rights to our intellectual property, monitoring unauthorized use of our intellectual property is difficult and costly, and we cannot predict whether steps taken by us to protect our intellectual property will be adequate to prevent infringement, misappropriation, dilution or other violations of our intellectual property rights. We also cannot guarantee that any measures we take to protect our intellectual property will offer us any meaningful protection or competitive advantage, or that others will not reverse-engineer our technology or independently develop technology that has the same or similar functionality as our technology. Unauthorized parties may also attempt to copy or obtain and use our technology to develop competing solutions, and policing unauthorized use of our technology and intellectual property rights may be difficult and may not be effective. Any of our intellectual property rights could be challenged or invalidated, and any litigation to enforce or defend our intellectual property rights could be costly, divert attention of management and may not ultimately be resolved in our favor. Additionally, uncertainty may result from changes to intellectual property legislation and from interpretations of intellectual property laws by applicable courts and agencies.

As part of our efforts to protect our intellectual property, technology and confidential information, a majority of our employees and consultants have entered into confidentiality and assignment of inventions agreements, and we also require certain third parties to enter into nondisclosure agreements. However, we may fail to enter into such agreements with all applicable parties, and such agreements may also not effectively grant all necessary rights to any inventions that may have been developed by our employees and consultants. In addition, such agreements may not effectively prevent misappropriation or unauthorized use or disclosure of our trade secrets, confidential information, intellectual property or technology and may not provide an adequate remedy in the event of unauthorized use or disclosure of our trade secrets, confidential information, intellectual property or technology. Despite our efforts to protect our proprietary rights, unauthorized parties may attempt to copy aspects of our website features, software and functionality or obtain and use information that we consider proprietary. Changes in the law or adverse court rulings may also negatively affect our ability to prevent others from using our technology.

We are currently the registrant of various domain names. The regulation of domain names in the United States is subject to change. Regulatory bodies could establish additional top-level domains, appoint additional domain name registrars or modify the requirements for holding domain names. As a result, we may not be able to acquire or maintain domain names that are important for our business.

While software can, in some cases, be protected under copyright law, we have chosen not to register any copyrights in our proprietary software, and instead, primarily rely on unregistered copyrights to protect our proprietary software. In order to bring a copyright infringement lawsuit in the United States, the copyright must be registered. Accordingly, the remedies and damages available to us for unauthorized use of our software may be limited. Our trade secrets, know-how and other proprietary materials may be revealed to the public or our competitors or independently developed by

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our competitors and no longer provide protection for the related technology. Enforcing a claim that a third party illegally disclosed or obtained and is using any of our internally developed information or technology may be difficult, expensive and time-consuming, and the outcome is unpredictable. Furthermore, our trade secrets, know-how and other proprietary materials may be revealed to the public or our competitors or independently developed by our competitors and no longer provide protection for the related technology. Any of the foregoing could have an adverse effect on our business, financial condition, and operating results.

If we are not able to maintain, enhance and protect our reputation and brand recognition through the maintenance and protection of trademarks, our business will be harmed.

We have certain trademarks that are important to our business, such as the ACV Auctions trademark, the ACV Auctions logo and the True360 trademark. If we fail to adequately protect or enforce our rights under these trademarks, we may lose the ability to use those trademarks or to prevent others from using them, which could adversely harm our reputation and our business. While we have secured registration of several of our trademarks in the United States, and are actively seeking additional registrations in the United States and Canada, it is possible that others may assert senior rights to similar trademarks, in the United States and internationally, and seek to prevent our use and registration of our trademarks in certain jurisdictions. Our pending trademark or service mark applications may not result in such marks being registered, and we may not be able to use these trademarks or service marks to commercialize our technologies in the relevant jurisdictions.

Our registered or unregistered trademarks or service marks may be challenged, infringed, circumvented, diluted, declared generic, lapsed or determined to be infringing on or dilutive of other marks. We may not be able to protect our rights in these trademarks and service marks, which we need in order to build name recognition with partners and customers. If we are unable to establish name recognition based on our trademarks and service marks, we may not be able to compete effectively and our brand recognition, reputation, business, financial condition, and operating results may be adversely affected.

Third parties may initiate legal proceedings alleging that we are infringing, misappropriating or otherwise violating their intellectual property rights, the outcome of which would be uncertain and could have a material adverse effect on our business, financial condition and operating results.

Our commercial success depends on our ability to develop and commercialize our products and services and use our internally developed technology without infringing the intellectual property or proprietary rights of third parties. Intellectual property disputes can be costly to defend and may cause our business, operating results and financial condition to suffer. Whether merited or not, we, our partners or parties indemnified by us may face claims of infringement, misappropriation or other violation of third-party intellectual property that could interfere with our ability to market, promote and sell our brands, products and services. Such claims may be made by competitors seeking to obtain a competitive advantage or by other parties. Additionally, in recent years, individuals and groups have begun purchasing intellectual property assets for the purpose of making such claims and attempting to extract settlements from companies like ours. It may be necessary for us to initiate litigation to defend ourselves in order to determine the scope, enforceability, validity or ownership of third-party intellectual property or proprietary rights, or to establish our respective rights. We may not be able to successfully settle or otherwise resolve such adversarial proceedings or litigation. If we are unable to successfully settle future claims on terms acceptable to us we may be required to engage in or to continue claims, regardless of whether such claims have merit, that can be time-consuming, divert management’s attention and financial resources and be costly to evaluate and defend. The result of any such litigation is difficult to predict and may require us to stop commercializing or using our technology, obtain

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licenses, modify our platform, services and technology while we develop non-infringing substitutes or incur substantial damages, settlement costs or face a temporary or permanent injunction prohibiting us from marketing or providing the affected products and services. If we require a third-party license, it may not be available on reasonable terms or at all, and we may have to pay substantial royalties and upfront or ongoing fees, or grant cross-licenses to our own intellectual property rights. Such licenses may also be non-exclusive, which could allow competitors and other parties to use the subject technology in competition with us. We may also have to redesign our platform, services and technology so they do not infringe, misappropriate or otherwise violate third-party intellectual property rights, which may not be possible or may require substantial monetary expenditures and time, during which our technology may not be available for commercialization or use. Even if we have an agreement to indemnify us against such costs, the indemnifying party may be unable to uphold its contractual obligations. If we cannot or do not obtain a third-party license to the infringed technology at all, license the technology on reasonable terms or obtain similar technology from another source, our revenue and earnings could be adversely impacted.

From time to time, we may be subject to legal proceedings and claims in the ordinary course of business with respect to intellectual property. Some third parties may be able to sustain the costs of complex litigation more effectively than we can because they have substantially greater resources. Even if resolved in our favor, litigation or other legal proceedings relating to intellectual property claims may cause us to incur significant expenses, and could distract our technical and management personnel from their normal responsibilities. In addition, there could be public announcements of the results of hearings, motions or other interim proceedings or developments, and if securities analysts or investors perceive these results to be negative, it could have a material adverse effect on the price of our Class A common stock. Moreover, any uncertainties resulting from the initiation and continuation of any legal proceedings could have a material adverse effect on our ability to raise the funds necessary to continue our operations. Any of the foregoing could have a material adverse effect on our business, financial condition and results of operations.

We may be subject to claims asserting that our employees, consultants or advisors have wrongfully used or disclosed alleged trade secrets of their current or former employers or claims asserting ownership of what we regard as our own intellectual property.

Although we try to ensure that our employees, consultants and advisors do not use the proprietary information or know-how of others in their work for us, we may be subject to claims that we or these individuals have used or disclosed intellectual property, including trade secrets or other proprietary information, of any such individual’s current or former employer. Litigation may be necessary to defend against these claims. If we fail in defending any such claims, in addition to paying monetary damages, we may lose valuable intellectual property rights or personnel. Even if we are successful in defending against such claims, litigation could result in substantial costs and be a distraction to management.

In addition, while it is our policy to require our employees and contractors who may be involved in the creation or development of intellectual property on our behalf to execute agreements assigning such intellectual property to us, we may be unsuccessful in having all such employees and contractors execute such an agreement. The assignment of intellectual property may not be self-executing or the assignment agreement may be breached, and we may be forced to bring claims against third parties or defend claims that they may bring against us to determine the ownership of what we regard as our intellectual property. Any of the foregoing could have a material adverse effect on our business, financial condition and results of operations.

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Our use of “open source” software could adversely affect our ability to offer our products and services and subject us to possible litigation.

We use open source software in connection with our products and services. Companies that incorporate open source software into their technologies have, from time to time, faced claims challenging the use of open source software, the ownership of software that such companies believed to be open source and/or compliance with open source license terms. As a result, we could be subject to suits by parties claiming ownership of what we believe to be open source software or claiming noncompliance with open source licensing terms. Some open source software licenses require users who distribute or make available across a network software and services that include open source software to publicly disclose all or part of the source code to such software and/or make available any derivative works of the open source code, which could include valuable proprietary code, on unfavorable terms or at no cost. While we monitor the use of open source software and try to ensure that none is used in a manner that would require us to disclose our internally developed source code, including that of our platform, or that would otherwise breach the terms of an open source agreement, such use could inadvertently occur, in part because open source license terms are often ambiguous and may not have been tested in a court of law, resulting in a dearth of guidance regarding the proper legal interpretation of such licenses. In addition to risks related to license requirements, use of certain open source software can lead to greater risks than use of third-party commercial software, as open source licensors generally do not provide warranties or controls on the origin of software which, thus, may contain security vulnerabilities or infringing or broken code. Use of open source software may also present additional security risks because the public availability of such software may make it easier for hackers and other third parties to determine how to compromise our platform. Any of the foregoing, including a requirement to publicly disclose our internally developed source code or pay damages for breach of contract, could have a material adverse effect on our business, financial condition and results of operations and could help our competitors develop services that are similar to or better than ours.

We rely on third-party providers to perform payment-related services on our behalf, and the failure of such third-parties to adequately perform such services or comply with applicable laws could harm our business.

We rely on third-party service providers to perform services related to payment processing, identity verification and fraud analysis and detection. As a result, we are subject to a number of risks related to our dependence on third-party service providers. If any or some of these service providers fail to perform adequately or if any such service provider were to terminate or modify its relationship with us unexpectedly, it could negatively impact our buyers’ ability to pay for some services, drive customers away from our services, result in potential legal liability or heightened risk, and harm our business. In addition, we and our third-party service providers may experience service outages from time to time that could adversely impact payments made on our platform. Additionally, any unexpected termination or modification of those third-party services could lead to a lapse in the effectiveness of certain fraud prevention and detection tools.

Our third-party service providers may increase the fees they charge us in the future, which would increase our operating expenses. This could, in turn, require us to increase the fees we charge to customers and cause some customers to reduce their use of our marketplace or to leave our platform altogether.

Payments are governed by complex and continuously evolving laws and regulations that are subject to change and vary across different jurisdictions in the United States. Any failure or claim of failure on our part or the part of our third-party service providers to comply with applicable laws and regulations relating to payments could require us to expend significant resources, result in liabilities, limit or preclude our ability to enter certain markets and harm our reputation.

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Risks Related to Government Regulation and Litigation

We operate in highly regulated industries and either are or may be subject to a wide range of federal, state and local laws and regulations and our failure to comply with these laws and regulations may force us to change our operations or harm our business.

The industry in which we operate is and will continue to be subject to extensive U.S. federal, state and local laws and regulations. The wholesale, financing and transportation of used vehicles are regulated by the states in which we operate and by the U.S. federal government. These laws can vary significantly from state to state. In addition, we are subject to regulations and laws specifically governing the internet and ecommerce and the collection, storage, processing, transfer and other use of personal information and other customer data. We are also subject to federal and state laws, such as the Equal Credit Opportunity Act and prohibitions against unfair or deceptive acts or practices. The federal governmental agencies that regulate our business and have the authority to enforce such regulations and laws against us include the U.S. Federal Trade Commission, the U.S. Department of Transportation, the U.S. Occupational Health and Safety Administration, the U.S. Department of Justice and the U.S. Federal Communications Commission. We are subject to regulation by individual state financial regulatory agencies. We also are subject to audit by such state regulatory authorities. Additionally, we may be subject to regulation by individual state dealer licensing authorities and state consumer protection agencies.

The wholesale sale of used vehicles through our platform and financing offerings may be subject to state and local licensing requirements. Despite our belief that we are not subject to the licensing requirements of such jurisdictions, regulators of jurisdictions in which our customers reside for which we do not have a dealer or financing license could require that we obtain a license or otherwise comply with various state regulations. Regulators may seek to impose punitive fines for operating without a license or demand we seek a license in those jurisdictions, any of which may inhibit our ability to do business in those jurisdictions, increase our operating expenses and adversely affect our financial condition and results of operations.

In addition to these laws and regulations, our facilities and business operations are subject to a wide array of federal, state and local laws and regulations relating to occupational health and safety, and other broadly applicable business regulations. We also are subject to laws and regulations involving taxes, privacy and data security, anti-spam, content protection, electronic contracts and communications, mobile communications, unencumbered internet access to our platform, the design and operation of websites and internet neutrality.

After the completion of this offering, we will also be subject to laws and regulations affecting public companies, including securities laws and exchange listing rules. The violation of any of these laws or regulations could result in administrative, civil or criminal penalties or in a cease-and-desist order against our business operations, any of which could damage our reputation and adversely affect our business. We have incurred and will continue to incur capital and operating expenses and other costs to comply with these laws and regulations.

The foregoing description of laws and regulations to which we are or may be subject is not exhaustive, and the regulatory framework governing our operations is subject to evolving interpretations and continuous change. Moreover, if we expand into additional jurisdictions, we will be subject to an increased variety of new and complex laws and regulations.

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We are, and may in the future be, subject to legal proceedings in the ordinary course of our business. If the outcomes of these proceedings are adverse to us, it could have an adverse effect on our business.

We are subject to various litigation matters from time to time, the outcomes of which could harm our business. Claims arising out of actual or alleged violations of law could be asserted against us by individuals, either individually or through class actions, by governmental entities in civil or criminal investigations and proceedings or by other entities. These claims could be asserted under a variety of laws, including but not limited to intellectual property laws, privacy laws, labor and employment laws, securities laws and employee benefit laws. These actions could expose us to adverse publicity and to substantial monetary damages and legal defense costs, injunctive relief and criminal and civil fines and penalties, including but not limited to suspension or revocation of licenses to conduct business. Furthermore, defending ourselves against these claims may require us to expend substantial financial resources and divert management’s attention, which could adversely impact our business, results of operations and financial condition. See “Business—Legal Proceedings.”

We may be limited in our ability to utilize, or may not be able to utilize, net operating loss carryforwards to reduce our future tax liability.

Our net operating loss carryforwards, or NOLs, and certain other tax attributes could expire unused and be unavailable to offset future income tax liabilities because of their limited duration or because of restrictions under U.S. tax law. Our NOLs generated in tax years beginning before January 1, 2018 are only permitted to be carried forward for 20 taxable years under applicable U.S. federal tax law. As of December 31, 2020, we had U.S. federal and state NOLs of $147.4 million and $118.2 million, respectively. Of the U.S. federal NOLs, $12.3 million will expire beginning in the year 2035 and $135.1 million will carry forward indefinitely.

Under the Tax Cuts and Jobs Act, or the Tax Act, federal NOLs generated in tax years beginning after December 31, 2017 may be carried forward indefinitely. Under the Coronavirus Aid, Relief, and Economic Security Act, or the CARES Act, NOLs arising in tax years beginning after December 31, 2017 and before January 1, 2021 may be carried back for five years prior to such loss. The deductibility of federal NOLs, particularly for tax years beginning after December 31, 2020, may be limited. It is uncertain if and to what extent various states will conform to the Tax Act or the CARES Act.

In addition, our NOLs and tax credit carryforwards are subject to limitations under the Internal Revenue Code of 1986, as amended, or the Code, and similar state tax laws as well as review and possible adjustment by the Internal Revenue Service and state tax authorities. Under Sections 382 and 383 of the Code, if a corporation undergoes an “ownership change” (generally defined as a cumulative change in the corporation’s ownership by “5-percent stockholders” that exceeds 50 percentage points over a rolling three-year period), the corporation’s ability to use its pre-change NOLs and certain other pre-change tax attributes to offset its post-change income and taxes may be limited. Similar rules may apply under state tax laws. We have not determined whether any such limitations apply to our business. If our ability to utilize those NOLs and tax credit carryforwards becomes limited by an “ownership change” as described above, it may not be able to utilize a material portion of our NOLs and certain other tax attributes, which could adversely affect our cash flows and results of operations.

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Risks Related to Being a Public Company

We will incur increased costs as a result of operating as a public company, and our management will be required to devote substantial time to compliance with our public company responsibilities and corporate governance practices.

As a public company, we will incur significant finance, legal, accounting and other expenses, including director and officer liability insurance, that we did not incur as a private company, which we expect to further increase after we are no longer an “emerging growth company.” The Sarbanes-Oxley Act, the Dodd-Frank Wall Street Reform and Consumer Protection Act, the listing requirements of The Nasdaq Stock Market, and other applicable securities rules and regulations impose various requirements on public companies. Our management and other personnel devote a substantial amount of time to compliance with these requirements. Moreover, these rules and regulations will increase our legal and financial compliance costs and will make some activities more time-consuming and costly. We cannot predict or estimate the amount of additional costs we will incur as a public company or the specific timing of such costs.

Pursuant to Section 404 of the Sarbanes-Oxley Act, or Section 404, we will be required to furnish a report by management on, among other things, the effectiveness of our internal control over financial reporting for the fiscal year ending December 31, 2022. This assessment will need to include disclosure of any material weaknesses identified by our management in our internal control over financial reporting. In addition, our independent registered public accounting firm will be required to attest to the effectiveness of our internal control over financial reporting in our first annual report required to be filed with the Securities and Exchange Commission, or SEC, following the date we are no longer an emerging growth company. To prepare for eventual compliance with Section 404, we will be engaged in a costly and challenging process of compiling the system and processing documentation necessary to perform the evaluation needed to comply with Section 404, but we may not be able to complete our evaluation, testing and any required remediation in a timely fashion once initiated. Our compliance with Section 404 will require that we incur substantial expenses and expend significant management efforts. We currently do not have an internal audit group, and we will need to hire additional accounting and financial staff with appropriate public company experience and technical accounting knowledge and compile the system and process documentation necessary to perform the evaluation needed to comply with Section 404.

We previously identified a material weakness in our internal control over financial reporting, and if we are unable to achieve and maintain effective internal control over financial reporting, the accuracy and timing of our financial reporting may be adversely affected.

Prior to this offering, we were a private company with limited accounting personnel and other resources with which to address our internal controls and procedures. In connection with the audit of our financial statements for the year ended December 31, 2018, we identified a material weakness in our internal control over financial reporting. A “material weakness” is a deficiency, or a combination of deficiencies, in internal control over financial reporting such that there is a reasonable possibility that a material misstatement of our annual or interim financial statements will not be prevented or detected on a timely basis.

We determined that we had a material weakness due to the misapplication of generally accepted accounting principles, or GAAP, in the United States as it relates to revenue recognition for our Go Green assurance offering and certain stock-based compensation charges associated with deemed employee compensation in connection with a secondary offering. As a result, there were certain post-close adjustments that were required that were material to the 2018 financial statements. To address this material weakness, we hired our Chief Financial Officer and additional accounting personnel,

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implemented process level and management review controls and consulted third-party service providers to assist with certain technical accounting matters.

We can give no assurance that this material weakness will not reoccur or that additional material weaknesses in our internal control over financial reporting will not be identified in the future. Our failure to implement and maintain effective internal control over financial reporting could result in errors in our financial statements that could result in a restatement of our financial statements, cause us to fail to meet our reporting obligations.

As a public company, we will be required to further design, document and test our internal controls over financial reporting to comply with Section 404. We cannot be certain that additional material weaknesses and control deficiencies will not be discovered in the future. If material weaknesses or control deficiencies occur in the future, we may be unable to report our financial results accurately on a timely basis or help prevent fraud, which could cause our reported financial results to be materially misstated and result in the loss of investor confidence or delisting and cause the market price of our common stock to decline. If we have material weaknesses in the future, it could affect the financial results that we report or create a perception that those financial results do not fairly state our financial position or results of operations. Either of those events could have an adverse effect on the value of our common stock.

Further, even if we conclude that our internal control over financial reporting provides reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with GAAP, because of its inherent limitations, internal control over financial reporting may not prevent or detect fraud or misstatements. Failure to implement required new or improved controls, or difficulties encountered in their implementation, could harm our results of operations or cause us to fail to meet our future reporting obligations.

We are an “emerging growth company,” and we cannot be certain if the reduced reporting and disclosure requirements applicable to emerging growth companies will make our Class A common stock less attractive to investors.

We are an “emerging growth company,” as defined in the JOBS Act, and we may take advantage of certain exemptions from various reporting requirements that are applicable to other public companies that are not “emerging growth companies,” including the auditor attestation requirements of Section 404, reduced disclosure obligations regarding executive compensation in our periodic reports and proxy statements, and exemptions from the requirements of holding a nonbinding advisory vote on executive compensation and stockholder approval of any golden parachute payments not previously approved. Pursuant to Section 107 of the JOBS Act, as an emerging growth company, we have elected to use the extended transition period for complying with new or revised accounting standards until those standards would otherwise apply to private companies. As a result, our consolidated financial statements may not be comparable to the financial statements of issuers who are required to comply with the effective dates for new or revised accounting standards that are applicable to public companies, which may make our Class A common stock less attractive to investors. In addition, if we cease to be an emerging growth company, we will no longer be able to use the extended transition period for complying with new or revised accounting standards.

We will remain an emerging growth company until the earliest of: (1) the last day of the fiscal year following the fifth anniversary of this offering; (2) the last day of the first fiscal year in which our annual gross revenue is $1.07 billion or more; (3) the date on which we have, during the previous rolling three-year period, issued more than $1 billion in non-convertible debt securities; and (4) the last day of the fiscal year in which the market value of our Class A common stock held by non-affiliates exceeded $700 million as of June 30 of such fiscal year.

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We cannot predict if investors will find our Class A common stock less attractive if we choose to rely on these exemptions. For example, if we do not adopt a new or revised accounting standard, our future results of operations may not be as comparable to the results of operations of certain other companies in our industry that adopted such standards. If some investors find our Class A common stock less attractive as a result, there may be a less active trading market for our Class A common stock, and our stock price may be more volatile.

Risks Related to Ownership of Our Class A Common Stock and This Offering

The dual class structure of our common stock will have the effect of concentrating voting control with our executive officers, directors and their affiliates, which will limit your ability to influence the outcome of important decisions.

Our Class B common stock has ten votes per share and our Class A common stock, which is the stock we are offering in this offering, has one vote per share. Our existing stockholders, all of which hold shares of Class B common stock, will collectively beneficially own shares representing approximately 98.8% of the voting power of our outstanding capital stock following the completion of this offering. Our directors and executive officers and their affiliates will collectively beneficially own, in the aggregate, shares representing approximately 45.0% of the voting power of our outstanding capital stock immediately following the completion of this offering (or 45.7% if the underwriters’ option to purchase additional shares of Class A common stock from the selling stockholders to cover over-allotments is exercised in full), based on the number of shares outstanding as of December 31, 2020 and without giving effect to any purchases that these holders may make through our reserved share program or otherwise in this offering. As a result, the holders of our Class B common stock will be able to exercise considerable influence over matters requiring stockholder approval, including the election of directors and approval of significant corporate transactions, such as a merger or other sale of our company or our assets, even if their stock holdings represent less than 50% of the aggregate outstanding shares of our capital stock. This concentration of ownership will limit the ability of other stockholders to influence corporate matters and may cause us to make strategic decisions that could involve risks to you or that may not be aligned with your interests. This control may adversely affect the market price of our Class A common stock.

Further, future transfers by holders of our Class B common stock will generally result in those shares converting into shares of our Class A common stock, subject to limited exceptions, such as certain transfers effected for tax or estate planning purposes. The conversion of shares of our Class B common stock into shares of our Class A common stock will have the effect, over time, of increasing the relative voting power of those holders of Class B common stock who retain their shares in the long term.

We cannot predict the impact our dual class structure may have on the market price of our Class A common stock.

We cannot predict whether our dual class structure, combined with the concentrated control of our stockholders who held our capital stock prior to the completion of this offering, including our executive officers, employees and directors and their affiliates, will result in a lower or more volatile market price of our Class A common stock or in adverse publicity or other adverse consequences. For example, certain index providers have announced restrictions on including companies with multiple class share structures in certain of their indexes. In July 2017, FTSE Russell and Standard & Poor’s announced that they would cease to allow most newly public companies utilizing dual or multi-class capital structures to be included in their indices. Under the announced policies, our dual class capital structure would make us ineligible for inclusion in any of these indices. Given the sustained flow of

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investment funds into passive strategies that seek to track certain indexes, exclusion from stock indexes would likely preclude investment by many of these funds and could make our Class A common stock less attractive to other investors. As a result, the market price of our Class A common stock could be adversely affected.

We will have broad discretion in the use of the net proceeds that we receive from this offering and may not use them effectively.

We will have broad discretion in the application of the net proceeds that we receive from this offering, including for any of the purposes described in the section titled “Use of Proceeds,” and you will not have the opportunity as part of your investment decision to assess whether the net proceeds are being used appropriately. Because of the number and variability of factors that will determine our use of the net proceeds from this offering, our ultimate use may vary substantially from our currently intended use. Investors will need to rely upon the judgment of our management with respect to the use of such proceeds. Pending use, we may invest the net proceeds that we receive from this offering in short-term, investment-grade, interest-bearing securities, such as money market accounts, certificates of deposit, commercial paper, and guaranteed obligations of the U.S. government that may not generate a high yield for our stockholders. If we do not use the net proceeds that we receive in this offering effectively, our business, results of operations and financial condition could be harmed, and the market price of our Class A common stock could decline.

You will experience immediate and substantial dilution in the net tangible book value of the shares of Class A common stock you purchase in this offering.

The initial public offering price of our Class A common stock is substantially higher than the pro forma net tangible book value per share of our common stock immediately after this offering. If you purchase shares of our Class A common stock in this offering, you will suffer immediate dilution of $21.25 per share, representing the difference between our pro forma as adjusted net tangible book value per share after giving effect to the sale of Class A common stock in this offering and the initial public offering price of $25.00 per share. See the section titled “Dilution.”

Our stock price may be volatile, and the value of our Class A common stock may decline.

The market price of our Class A common stock may be highly volatile and may fluctuate or decline substantially as a result of a variety of factors, some of which are beyond our control, including:

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Broad market and industry fluctuations, as well as general economic, political, regulatory, and market conditions, may also negatively impact the market price of our Class A common stock.

No public market for our Class A common stock currently exists, and an active public trading market may not develop or be sustained following this offering.

No public market for our Class A common stock currently exists. An active public trading market for our Class A common stock may not develop following the completion of this offering or, if developed, it may not be sustained. The lack of an active market may impair your ability to sell your shares at the time you wish to sell them or at a price that you consider reasonable. The lack of an active market may also reduce the fair value of your shares. An inactive market may also impair our ability to raise capital to continue to fund operations by selling shares and may impair our ability to acquire other companies by using our shares as consideration.

Future sales of our Class A common stock in the public market could cause the market price of our Class A common stock to decline.

Sales of a substantial number of shares of our Class A common stock in the public market following the completion of this offering, or the perception that these sales might occur, could depress the market price of our Class A common stock and could impair our ability to raise capital through the sale of additional equity securities. Many of our existing equityholders have substantial unrecognized gains on the value of the equity they hold based upon the price of this offering, and therefore they may take steps to sell their shares or otherwise secure the unrecognized gains on those shares. We are unable to predict the timing of or the effect that such sales may have on the prevailing market price of our Class A common stock.

All of our directors and officers, the selling stockholders and the holders of substantially all of our stock and securities convertible into our capital stock are subject to lock-up agreements that restrict their ability to offer, sell, contract to sell, pledge, grant any option to purchase, make any short sale or otherwise dispose of any of our shares of common stock, any options or warrants to purchase any of our shares of common stock or any securities convertible into or exchangeable for or that represent the right to receive shares of our common stock for 180 days from the date of this prospectus, or the restricted period, subject to certain exceptions; provided that such restricted period will end with respect to 25% of the shares subject to each lock-up agreement if at any time after we have filed our first quarterly report on Form 10-Q, the last reported closing price of our Class A common stock is at least 33% greater than the initial public offering price of our Class A common stock for 10 out of any 15 consecutive trading days ending on or after the date of the filing of our first quarterly report on Form 10-Q; and provided further that if such release were to occur within nine trading days of a regularly scheduled trading black-out period, the above referenced early expiration period will instead be the second trading day immediately following the expiration of such trading black-out period. In addition, with respect to shares not released as a result of such early release, if 180 days after the date of this prospectus occurs within nine trading days of a regularly scheduled trading black-out period, the restricted period will expire on the tenth trading day immediately preceding the commencement of such trading black-out period. Goldman Sachs & Co. LLC may, in its sole discretion, permit our stockholders who are subject to these lock-up agreements to sell shares prior to the expiration of the lock-up

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agreements, subject to applicable notice requirements. If not earlier released, all of the shares of Class A common stock sold in this offering will become eligible for sale upon expiration of the 180th day lock-up period, except for any shares held by our affiliates as defined in Rule 144 under the Securities Act of 1933, or the Securities Act.

In addition, there were 9,933,348 shares of Class B common stock issuable upon the exercise of options and 250,000 shares of Class B common stock issuable upon the vesting of restricted stock units, or RSUs, outstanding as of December 31, 2020. We intend to register all of the shares of Class A common stock and Class B common stock issuable upon exercise or vesting of outstanding options or RSUs, respectively, or other equity incentives we may grant in the future, for public resale under the Securities Act. The shares of Class A common stock will become eligible for sale in the public market to the extent such options are exercised, subject to the lock-up agreements described above and compliance with applicable securities laws.

Further, based on shares outstanding as of December 31, 2020, holders of approximately 115,453,074 shares, or 74.9% of our capital stock after the completion of this offering, will have rights, subject to some conditions, to require us to file registration statements covering the sale of their shares or to include their shares in registration statements that we may file for ourselves or other stockholders.

Our issuance of additional capital stock in connection with financings, acquisitions, investments, our equity incentive plans or otherwise will dilute all other stockholders.

We expect to issue additional capital stock in the future that will result in dilution to all other stockholders. We expect to grant equity awards to employees, directors and consultants under our equity incentive plans. We may also raise capital through equity financings in the future. As part of our business strategy, we may acquire or make investments in companies and issue equity securities to pay for any such acquisition or investment. Any such issuances of additional capital stock may cause stockholders to experience significant dilution of their ownership interests and the per share value of our Class A common stock to decline.

If securities or industry analysts do not publish research or publish unfavorable or inaccurate research about our business, the market price and trading volume of our Class A common stock could decline.

The market price and trading volume of our Class A common stock following the completion of this offering will be heavily influenced by the way analysts interpret our financial information and other disclosures. We do not have control over these analysts. If few securities analysts commence coverage of us, or if industry analysts cease coverage of us, our stock price would be negatively affected. If securities or industry analysts do not publish research or reports about our business, downgrade our Class A common stock, or publish negative reports about our business, our stock price would likely decline. If one or more of these analysts cease coverage of us or fail to publish reports on us regularly, demand for our Class A common stock could decrease, which might cause our stock price to decline and could decrease the trading volume of our Class A common stock.

We do not intend to pay dividends for the foreseeable future and, as a result, your ability to achieve a return on your investment will depend on appreciation in the price of our Class A common stock.

While we have previously paid cash dividends on our capital stock, we do not intend to pay any cash dividends in the foreseeable future. Any determination to pay dividends in the future will be at the discretion of our board of directors. Accordingly, you may need to rely on sales of our Class A common stock after price appreciation, which may never occur, as the only way to realize any future gains on your investment.

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Anti-takeover provisions in our charter documents and under Delaware law could make an acquisition of our company more difficult, limit attempts by our stockholders to replace or remove our current management and limit the market price of our Class A common stock.

Provisions in our amended and restated certificate of incorporation and amended and restated bylaws, as they will be in effect upon the completion of this offering, may have the effect of delaying or preventing a change of control or changes in our management. Our amended and restated certificate of incorporation and amended and restated bylaws will include provisions that:

These provisions may frustrate or prevent any attempts by our stockholders to replace or remove our current management by making it more difficult for stockholders to replace members of our board of directors, which is responsible for appointing the members of our management. In addition, because we are incorporated in Delaware, we are governed by the provisions of Section 203 of the Delaware General Corporation Law, which generally, subject to certain exceptions, prohibits a Delaware corporation from engaging in any of a broad range of business combinations with any “interested” stockholder for a period of three years following the date on which the stockholder became an “interested” stockholder. Any of the foregoing provisions could limit the price that investors might be willing to pay in the future for shares of our Class A common stock, and they could deter potential acquirers of our company, thereby reducing the likelihood that you would receive a premium for your shares of our Class A common stock in an acquisition.

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Our amended and restated certificate of incorporation provides that the Court of Chancery of the State of Delaware and the federal district courts of the United States of America will be the exclusive forums for substantially all disputes between us and our stockholders, which could limit our stockholders’ ability to obtain a favorable judicial forum for disputes with us or our directors, officers, or employees.

Our amended and restated certificate of incorporation, as will be in effect upon the completion of this offering, will provide that the Court of Chancery of the State of Delaware is the exclusive forum for the following types of actions or proceedings under Delaware statutory or common law:

The provisions would not apply to suits brought to enforce a duty or liability created by the Securities Exchange Act of 1934, or the Exchange Act. Furthermore, Section 22 of the Securities Act creates concurrent jurisdiction for federal and state courts over all such Securities Act actions. Accordingly, both state and federal courts have jurisdiction to entertain such claims. To prevent having to litigate claims in multiple jurisdictions and the threat of inconsistent or contrary rulings by different courts, among other considerations, our amended and restated certificate of incorporation will further provide that the federal district courts of the United States of America will be the exclusive forum for resolving any complaint asserting a cause or causes of action arising under the Securities Act, including all causes of action asserted against any defendant to such complaint. For the avoidance of doubt, this provision is intended to benefit and may be enforced by us, our officers and directors, the underwriters to any offering giving rise to such complaint, and any other professional entity whose profession gives authority to a statement made by that person or entity and who has prepared or certified any part of the documents underlying the offering.

While the Delaware courts have determined that such choice of forum provisions are facially valid, a stockholder may nevertheless seek to bring a claim in a venue other than those designated in the exclusive forum provisions. In such instance, we would expect to vigorously assert the validity and enforceability of the exclusive forum provisions of our amended and restated certificate of incorporation. This may require significant additional costs associated with resolving such action in other jurisdictions and there can be no assurance that the provisions will be enforced by a court in those other jurisdictions.

These exclusive forum provisions may limit a stockholder’s ability to bring a claim in a judicial forum that it finds favorable for disputes with us or our directors, officers, or other employees, which may discourage lawsuits against us and our directors, officers and other employees. If a court were to find either exclusive-forum provision in our amended and restated certificate of incorporation to be inapplicable or unenforceable in an action, we may incur further significant additional costs associated with resolving the dispute in other jurisdictions, all of which could seriously harm our business.

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SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

This prospectus contains forward-looking statements about us and our industry that involve substantial risks and uncertainties. All statements other than statements of historical facts contained in this prospectus, including statements regarding our future results of operations or financial condition, business strategy and plans and objectives of management for future operations, are forward-looking statements. In some cases, you can identify forward-looking statements because they contain words such as “anticipate,” “believe,” “contemplate,” “continue,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “potential,” “predict,” “project,” “should,” “target,” “will” or “would” or the negative of these words or other similar terms or expressions. These forward-looking statements include, but are not limited to, statements concerning the following:

You should not rely on forward-looking statements as predictions of future events. We have based the forward-looking statements contained in this prospectus primarily on our current expectations and projections about future events and trends that we believe may affect our business, financial condition and operating results. The outcome of the events described in these forward-looking statements is subject to risks, uncertainties and other factors described in the section titled “Risk

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Factors” and elsewhere in this prospectus. Moreover, we operate in a very competitive and rapidly changing environment. New risks and uncertainties emerge from time to time, and it is not possible for us to predict all risks and uncertainties that could have an impact on the forward-looking statements contained in this prospectus. The results, events and circumstances reflected in the forward-looking statements may not be achieved or occur, and actual results, events or circumstances could differ materially from those described in the forward-looking statements.

In addition, statements that “we believe” and similar statements reflect our beliefs and opinions on the relevant subject. These statements are based on information available to us as of the date of this prospectus. While we believe that information provides a reasonable basis for these statements, that information may be limited or incomplete. Our statements should not be read to indicate that we have conducted an exhaustive inquiry into, or review of, all relevant information. These statements are inherently uncertain, and investors are cautioned not to unduly rely on these statements.

The forward-looking statements made in this prospectus relate only to events as of the date on which the statements are made. We undertake no obligation to update any forward-looking statements made in this prospectus to reflect events or circumstances after the date of this prospectus or to reflect new information or the occurrence of unanticipated events, except as required by law. We may not actually achieve the plans, intentions or expectations disclosed in our forward-looking statements, and you should not place undue reliance on our forward-looking statements. Our forward-looking statements do not reflect the potential impact of any future acquisitions, mergers, dispositions, joint ventures or investments.

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MARKET, INDUSTRY AND OTHER DATA

This prospectus contains statistical data, estimates and forecasts that are based on independent industry publications or other publicly available information, as well as other information based on our internal sources. While we believe the industry and market data included in this prospectus are reliable and are based on reasonable assumptions, these data involve many assumptions and limitations, and you are cautioned not to give undue weight to these estimates. We have not independently verified the accuracy or completeness of the data contained in these industry publications and other publicly available information. The industry in which we operate is subject to a high degree of uncertainty and risk due to a variety of factors, including those described in the sections titled “Risk Factors” and “Special Note Regarding Forward-Looking Statements.” Among other items, certain of the market research included in this prospectus was published prior to the outbreak of the COVID-19 pandemic and did not anticipate the virus or the impact it has caused on our industry. We have utilized this pre-pandemic market research in the absence of updated sources. These and other factors could cause results to differ materially from those expressed in the projections and estimates made by the independent third parties and us.

The sources of certain statistical data, estimates and forecasts contained in this prospectus are the following independent industry publications or reports:

Certain statistical information in this prospectus is also based on a 2020 survey we conducted of independent and franchise dealers, which we refer to as our 2020 ACV Survey. Each of the dealers was, at the time of response, a user of our platform and services.

Unless otherwise noted, in this prospectus we cite a source the first time a statement relying upon that source is made, and do not include citations subsequently when that statement is repeated.

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USE OF PROCEEDS

We estimate that we will receive net proceeds from this offering of approximately $384.9 million based on the initial public offering price of $25.00 per share of Class A common stock, after deducting the underwriting discounts and commissions and estimated offering expenses payable by us. We will not receive any of the proceeds from the sale of Class A common stock in this offering by the selling stockholders identified in this prospectus in the event that the underwriters exercise their option to purchase additional shares.

The principal purposes of this offering are to increase our capitalization and financial flexibility, create a public market for our Class A common stock and facilitate our future access to the capital markets. As of the date of this prospectus, we cannot specify with certainty all of the particular uses for the net proceeds we receive from this offering. However, we currently intend to use the net proceeds we receive from this offering for general corporate purposes, including working capital, operating expenses and capital expenditures. We may also use a portion of the net proceeds we receive from this offering to acquire complementary businesses, products, services or technologies. However, we do not have agreements or commitments to enter into any material acquisitions at this time.

We will have broad discretion over how to use the net proceeds we receive from this offering. We intend to invest the net proceeds we receive from this offering that are not used as described above in investment-grade, interest-bearing instruments.

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DIVIDEND POLICY

We have never declared or paid cash dividends on our capital stock. We currently intend to retain all available funds and future earnings, if any, to fund the development and expansion of our business, and we do not anticipate declaring or paying any cash dividends in the foreseeable future. Any future determination regarding the declaration and payment of dividends, if any, will be at the discretion of our board of directors and will depend on then-existing conditions, including our financial condition, operating results, contractual restrictions (including any restrictions in our then-existing debt arrangements), capital requirements, business prospects and other factors our board of directors may deem relevant.

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CAPITALIZATION

The following table sets forth our cash and cash equivalents and capitalization as of December 31, 2020:

You should read this table together with the section titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and our consolidated financial statements and related notes included elsewhere in this prospectus.

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The number of shares of Class A common stock and Class B common stock that will be outstanding after this offering is based on no shares of Class A common stock outstanding and 137,601,063 shares of Class B common stock outstanding as of December 31, 2020, and excludes:

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DILUTION

If you invest in our Class A common stock in this offering, your interest will be diluted to the extent of the difference between the initial public offering price per share of Class A common stock and the pro forma as adjusted net tangible book value per share immediately after this offering.

Our pro forma net tangible book value as of December 31, 2020 was $192.5 million, or $1.40 per share of common stock. Our pro forma net tangible book value per share represents the amount of our total tangible assets less our total liabilities, divided by the number of our shares of common stock outstanding as of December 31, 2020, after giving effect to the automatic conversion of all outstanding shares of convertible preferred stock into an aggregate of 115,269,221 shares of Class B common stock immediately prior to the completion of this offering.

After giving effect to the sale by us of 16,550,000 shares of Class A common stock in this offering at the initial public offering price of $25.00 per share, and after deducting the underwriting discounts and commissions and estimated offering expenses payable by us, our pro forma as adjusted net tangible book value as of December 31, 2020 would have been $577.4 million, or $3.75 per share. This amount represents an immediate increase in pro forma as adjusted net tangible book value of $2.35 per share to our existing stockholders and an immediate dilution of $21.25 per share to new investors purchasing Class A common stock in this offering. We determine dilution by subtracting the pro forma as adjusted net tangible book value per share after this offering from the initial public offering price per share paid by investors purchasing Class A common stock in this offering. The following table illustrates this dilution on a per share basis:

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The following table summarizes, as of December 31, 2020, on a pro forma as adjusted basis as described above, the number of shares of our Class A common stock, the total consideration and the average price per share (1) paid to us by existing stockholders and (2) to be paid by new investors acquiring our Class A common stock in this offering at the initial public offering price of $25.00 per share, before deducting the underwriting discounts and commissions and estimated offering expenses payable by us.

The number of shares of Class A common stock and Class B common stock that will be outstanding after this offering is based on no shares of Class A common stock and 137,601,063 shares of Class B common stock outstanding as of December 31, 2020, and excludes:

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To the extent that any outstanding options or RSUs are exercised or settled, respectively, or new options or RSUs are issued under our stock-based compensation plans, or that we issue additional shares of capital stock in the future, there will be further dilution to investors participating in this offering. If all outstanding options and RSUs under our 2015 Plan as of December 31, 2020 were exercised or settled, respectively, then our existing stockholders, including the holders of these options and RSUs, would own 90.0%, and our new investors would own 10.0%, of the total number of shares of our capital stock outstanding following the completion of this offering.

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MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

You should read the following discussion and analysis of our financial condition and results of operations together with our consolidated financial statements and the related notes and other financial information included elsewhere in this prospectus. Some of the information contained in this discussion and analysis or set forth elsewhere in this prospectus, including information with respect to our plans and strategy for our business, includes forward-looking statements that involve risks and uncertainties. You should review the “Risk Factors” section of this prospectus for a discussion of important factors that could cause actual results to differ materially from the results described in or implied by the forward-looking statements contained in the following discussion and analysis.

Overview

Our mission is to build and enable the most trusted and efficient digital marketplace for buying and selling used vehicles with transparency and comprehensive data that was previously unimaginable.

We provide a highly efficient and vibrant digital marketplace for wholesale vehicle transactions and data services that offer transparent and accurate vehicle information to our customers. Our platform leverages data insights and technology to power our digital marketplace and data services, enabling our dealers and commercial partners to buy, sell, and value vehicles with confidence and efficiency. We strive to solve the challenges that the used automotive industry has faced for generations and provide powerful technology-enabled capabilities to our dealers and commercial partners who fulfill a critical role in the automotive ecosystem. Since inception, we have facilitated over 750,000 wholesale transactions between over 21,000 of our dealers and commercial partners. We help dealers source and manage inventory and accurately price their vehicles as well as process payments, transfer titles, manage arbitrations, and finance and transport vehicles. Our platform encompasses:

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Since first going live with our offering in 2015, we have expanded from our first territory in Buffalo, New York to 125 territories as of December 31, 2020. As we have expanded our geographic footprint, our marketplace has scaled significantly, with Marketplace GMV growing from $22.9 million to $3.3 billion and Marketplace Participants from 4,995 to 16,215 between 2016 and 2020, respectively. See the section titled “—Key Operating and Financial Metrics” for additional information on Marketplace GMV and Marketplace Units.

We have historically generated the majority of our revenue from our digital marketplace where we earn auction and ancillary fees from both buyers and sellers in each case only upon a successful auction. Buyer auction fees are variable based on the price of the vehicle, while seller auction fees include a fixed auction fee and an optional fee for the elective condition report associated with the vehicle. We also earn ancillary fees through additional value-added services to buyers and sellers in connection with the auction. These value-added services currently include:

For ACV Transportation, we earn a fee from the buyer that varies depending on the distance traveled for the vehicle transported. For ACV Capital, our fee varies based on the amount and term of the inventory financing provided to the buyer. We charge a fixed fee for our Go Green assurance on a per vehicle basis if the seller is enrolled in the service.

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We continue to innovate and build on our platform to provide a full suite of offerings for dealers and commercial consignors in the used vehicle market. In 2019, we began to generate data services revenue through our True360 Reports, which expanded our proprietary, vehicle specific intelligence, including cosmetic and structural assessments and vehicle history. We charge a fixed fee for True360 Reports on a per vehicle basis. Dealers utilize our True360 Reports to make wholesale and retail transaction decisions with confidence both on and off our marketplace. In 2020, through our acquisition of ASI, we extended this offering to serve commercial partners as well who use True360 Reports to better price and sell their used vehicle inventory.

Our customers include participants on our marketplace and purchasers of our data services. Certain dealers and commercial partners purchase our True360 Report in connection with vehicle assessments and transactions that do not occur on our marketplace. Our dealer customers include a majority of the top 100 used vehicle dealers in the United States. For the year ended December 31, 2020, we had 16,215 Marketplace Participants, up from 12,514 for the year ended December 31, 2019. See the section titled “—Key Operating and Financial Metrics” for additional information on Marketplace Participants.

For the year ended December 31, 2020, 391,466 Marketplace Units were sold on our marketplace, representing a total Marketplace GMV of $3.3 billion, an increase of 62.1% and 86.2%, respectively, from the same period in 2019. For the year ended December 31, 2020, we generated total revenue of $208.4 million, an increase of 95.0% from the same period in 2019, a net loss of $41.0 million and Adjusted EBITDA of $(30.8) million compared to a net loss of $77.2 million and Adjusted EBITDA of $(76.4) million for the same period in 2019. We continue to invest in growth to scale our company responsibly and drive towards profitability. See the section titled “—Key Operating and Financial Metrics” for additional information on Marketplace Units, Marketplace GMV and Adjusted EBITDA.

Impact of COVID-19 on Our Business

Overview

Beginning in March 2020, our business and operations began to experience the effects of the worldwide COVID-19 pandemic. Initially, COVID-19 significantly disrupted the operations of our customers, most of whom are automotive dealers who sell both new and used vehicles to consumers in physical dealership stores. As a result of the COVID-19 pandemic, governments in many of jurisdictions in which we operate instituted shelter-in-place orders, forcing many physical automotive dealership stores to close in March and April and cutting off consumer foot traffic, which led to a decline in overall vehicle sales to consumers. In the United States, retail automotive sales for used vehicles declined by 38%¹¹ year over year in April 2020.

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The slowdown in the retail sales of used vehicles subsequently impacted the market for wholesale automotive transactions. Wholesale is one of the most common supply sources through which dealers acquire used vehicle inventory to sell retail. With a sudden decline in retail sales of these dealerships, dealers’ demand for wholesale transactions also decreased sharply. In addition, most automotive wholesale transactions in the United States are conducted through physical or hybrid auctions that still require physical operations, and shelter-in-place orders forced these traditional auctions to temporarily shut down operations. According to J.D. Power, in April 2020 automotive wholesale auction sales in the United States decreased by 49% sequentially compared to the prior month of March 2020 and by 66% compared to April 2019.¹²

Negative trends in transaction volume driven by COVID began to be observed near the end of the first quarter of 2020. For the month ended March 31, 2020, our Marketplace Units decreased 20% month-over-month. This decline accelerated early in the second quarter; in the month ended April 30, 2020, Marketplace Units were down approximately 29% month-over-month. In addition to declining transaction volumes, because supply of wholesale vehicles exceeded the market demand during these months, we saw the average sales price per unit decline by over 31% from the month ended February 29, 2020 to the month ended April 30, 2020.

This initial disruption began to subside in May 2020 as the demand for used vehicles on a national level began to outpace supply, leading to higher used vehicle valuations and a higher percentage of successful auctions on our marketplace. By June 2020, within 9 weeks of the trough levels seen in April 2020, automotive wholesale auction sales had rebounded to 80% of pre-COVID-19 levels.¹³ Moreover, an increasing number of dealers and commercial partners looked to a fully digital marketplace to transact remotely as traditional, in-person wholesale auctions continued to experience COVID-19-related disruptions and faced challenges in restoring normal operations.

As a result, starting in May 2020, our marketplace activity rebounded strongly to reach levels higher than the months of January and February 2020 prior to the impact of COVID-19. For the month ended May 31, 2020, both our Marketplace Units and our revenue approximately doubled compared to the month ended April 30, 2020. Driven by both higher demand for used vehicles leading to less

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discounting and increased overall valuations, the average sale price of our Marketplace Unit, and subsequently our auction revenue per unit, also increased starting in May 2020 and reached peak levels in August 2020. As supply constraints began to ease and the demand and supply for used vehicles reached a better equilibrium in the fourth quarter of 2020, the growth in our transaction volume and revenue normalized. In the fourth quarter of 2020, Marketplace Units and total revenue represented strong year-over-year growth of 37% and 52%, respectively, but were down by 13% and 20% respectively, compared to the peak levels in the third quarter of 2020.

Adjusted EBITDA

In March and April of 2020, we implemented a temporary reduction in workforce and closure of certain territories to reduce our costs in light of the meaningful disruption we saw across our customer base and the significant decrease in our marketplace activity. These cost reduction measures, combined with the strong recovery in our marketplace activity towards the second half of the second quarter of 2020, amplified operating leverage in our business. This improved our Adjusted EBITDA in the second quarter of 2020, driving smaller Adjusted EBITDA losses of $1.5 million compared to Adjusted EBITDA losses of $24.4 million in the first quarter of 2020. In the third quarter of 2020, our profitability continued to improve to achieve positive $3.3 million of Adjusted EBITDA, driven by the continued strength in our marketplace activity, a higher percentage of vehicles listed for sale successfully selling on the marketplace, and increased operating leverage. For a reconciliation of our Adjusted EBITDA for the quarters presented to the most directly comparable GAAP measure, net loss, please see “—Results of Operations—Quarterly Results of Operations.”

We cannot predict how the pandemic will continue to develop, whether and to what extent government regulations or other restrictions may impact our operations or those of our customers, or whether and to what extent the pandemic or the effects thereof may have longer term unanticipated impacts on our business.

Our Business Model

We believe dealers and commercial consignors can benefit from our digital marketplace and comprehensive suite of services to buy and sell their vehicles, due to the inefficiencies and operational complexities that exist in the traditional wholesale auction market. Our business model is based on shared success and we only generate buyer and seller auction and ancillary fees in the case of a successful auction.

For any auction transaction on our marketplace, we generate auction fees from both buyers and sellers. Buyer auction fees are variable based on the price of the vehicle while seller auction fees include a fixed auction fee and a fee for the condition report associated with the vehicle. In 2018, 2019 and 2020, we generated $19.0, $49.2 and $99.2 million of revenue, respectively, from such auction fees. In 2018, 2019 and 2020, we incurred $3.1, $8.2 and $11.1 million, respectively, of expenses attributable to the cost of generating auction marketplace revenue.

Below describes a typical live auction on our digital marketplace within any of our 125 territories:

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We also earn ancillary fees through additional value-added services to buyers and sellers in connection with the auction:

We scale our platform through a territory model by employing a multi-pronged go-to-market strategy to establish and expand our relationships with dealers and commercial partners. Each territory we build is cultivated by a dedicated team, including territory managers, vehicle condition inspectors, and other operations staff, who target and onboard dealers to achieve an appropriate balance of buyers and sellers and to encourage local vibrancy in the marketplace. As customers experience success on our platform and awareness for our digital marketplace increases, we focus on growing our revenue and scale within a territory by bringing more customers onto our platform, increasing our share of their wholesale transactions and selling them additional value-added and data services. We have expanded from our first territory in Buffalo, New York in 2015 to 125 territories today. We have a demonstrated history of growing transaction volume on our digital marketplace within territories over time, driven by growth from both the addition of new customers and the expansion of relationships with existing customers.

Attractive Unit Economics and Cohort Trends

Improved Unit Economics as Territories Mature and Scale

We typically experience improving operational efficiency in our territories as they mature and scale. At the launch of a new territory, we incur a certain amount of costs to establish presence, which are largely fixed costs in nature. These costs include adding a territory manager and a team of our vehicle condition inspectors, or VCIs, who carry out inspections on our customers’ lots, help drive stronger relationships with our customers and increase their use of our platform. As our territories mature and scale, territory-level economics tend to improve driven by more cost-efficient operations and greater customer affinity for our offerings.

This cost structure allows us to support strong transaction growth without significant incremental fixed costs as territories mature. The chart below shows Marketplace Units transacted in the 12 months ended December 31, 2020 across three cohorts of territories indexed to the cohort’s first year, each representing different levels of maturity. A cohort refers to all territories launched during a given period. The comparison

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of a cohort’s transaction volume in 2020 to its volume in the initial year of launch demonstrates substantial unit growth to date. For example, the cohort of territories launched in 2019 saw its Marketplace Units grow by nearly three times between 2019, its year of launch, and 2020. An older cohort composed of territories launched in 2017 saw its Marketplace Units grow by over 28 times between 2017 and 2020.

As our territories reach greater scale and higher levels of network density, we typically achieve lower inspection costs per vehicle and improved overall economics per transaction. To assess operational efficiency at the territory level, we examine our auction expenses as a percentage of our auction revenue. Auction expenses consist of all auction-related costs, including Go Green arbitration and auction related processing costs, expenses related to auction operations and wholesale inspections, and field sales, among others, but excluding corporate overhead. Auction revenue consists of auction and customer assurance revenue but excludes revenue from ACV Transportation and ACV Capital.

The table below shows total auction revenue and auction expenses incurred in the 12 months ended December 31, 2020 across three individual territories launched in different years, each representing different levels of maturity. For example, in Territory A, which was launched in 2018, our auction expenses accounted for 88% of our auction revenue in 2020, the third year since its launch. However, in Territory C, which was launched in 2016 and is more mature, auction expense accounted for 62% of auction revenue in 2020. These operational efficiencies translate to superior economics per Marketplace Unit. The difference between auction revenue per unit and auction expenses per unit was $38 for the three-year old Territory A, compared to $131 for the five-year old Territory C.

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The improving operational efficiency demonstrated by these case studies is consistent across all our territory cohorts. While auction expenses exceed auction revenue in the early years after we enter a new territory, as territories scale and mature we typically achieve improved operating leverage, and auction revenues typically exceed auction expenses after the third or fourth year after we have entered a territory. For example, our 2018 territory cohort’s auction expenses amounted to 258% of auction revenue in year one but by year three, expenses decreased to 86% of revenue. We also benefit from our continuously growing repository of data, greater liquidity and brand awareness nationwide, which has allowed our newer cohorts to achieve operating leverage faster than older cohorts.

Marketplace Participants Exhibit Increasing Engagement and Spend over Time.

Our success relies in part on our ability to grow our share of wholesale transactions from existing customers and drive greater engagement on our digital marketplace. We evaluate this trend by tracking annual customer cohorts, defined as buyers or sellers who completed their first auction transaction on our marketplace in a specific year.

For example, sellers in our 2017 cohort sold an average of 21 vehicles in 2017. The sellers that continued to remain on our platform sold an increasing number of vehicles in subsequent years, selling an average of 79 vehicles in 2018, 112 vehicles in 2019, and 123 vehicles in 2020. We observe a similar trend with our buyers. Buyers in our 2017 cohort purchased an average of 15 vehicles in 2017 compared to 39 in 2018, 55 in 2019, and 57 vehicles in 2020. We look at such increases in buyer and seller engagement as an indicator of the strength of our marketplace and improving customer satisfaction.

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While we view trends in vehicles transacted per customer as an indicator of the strength of our marketplace, the number of customers within a cohort can vary significantly. For example, the 2019 cohort had approximately 7 times as many sellers as the 2017 cohort in their respective first year. The 2017 seller cohort is also concentrated in a smaller number of territories in a more condensed geographic area as compared to the 2019 cohort. While all of our seller cohorts have demonstrated robust growth in transactions per active seller, the larger and more geographically diverse cohorts, like the 2019 cohort, tend to have lower rates of growth when compared to smaller, more condensed cohorts, like the 2017 cohort. Additionally, we have historically had more buyers than sellers on our marketplace, which contributes to a lower number of average vehicles transacted per active buyer relative to active seller.

Key Operating and Financial Metrics

We regularly monitor a number of operating and financial metrics in order to measure our current performance and estimate our future performance. Our business metrics may be calculated in a manner different than similar business metrics used by other companies.

Marketplace Units

Marketplace Units is a key indicator of our potential for growth in Marketplace GMV and revenue. It demonstrates the overall engagement of our customers on the ACV platform, the vibrancy of our digital marketplace and our market share of wholesale transactions in the United States. We define Marketplace Units as the number of vehicles transacted on our digital marketplace within the applicable period. Marketplace Units transacted includes any vehicle that successfully reaches sold status, even if the auction is subsequently unwound, meaning the buyer or seller does not complete the transaction. These instances have been immaterial to date. Marketplace Units exclude vehicles that were inspected by ACV, but not sold on our digital marketplace. Marketplace Units have increased over time as we have expanded our territory coverage, added new Marketplace Participants and increased our share of wholesale transactions from existing customers. Since we only earn auction and ancillary fees in the case of a successful auction, Marketplace Units will remain a critical driver of our revenue growth.

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Marketplace GMV

Marketplace GMV is primarily driven by the volume and dollar value of Marketplace Units transacted on our digital marketplace. We believe that Marketplace GMV acts as an indicator of the success of our marketplace, signaling satisfaction of dealers and buyers on our marketplace, and the health, scale, and growth of our business. We define Marketplace GMV as the total dollar value of vehicles transacted through our digital marketplace within the applicable period, excluding any auction and ancillary fees. Because our definition of Marketplace Units does not include vehicles inspected but not sold on our digital marketplace, GMV does not represent revenue earned by us. We expect that Marketplace GMV will continue to grow as Marketplace Units grow, though at a varying rate within a given applicable period, as Marketplace GMV is also impacted by the value of each vehicle transacted.

Marketplace Participants

We monitor the growth in Marketplace Participants as it promotes a more vibrant and healthy marketplace by expanding the selection of vehicles and buyer demand on our digital marketplace. We define Marketplace Participants as dealers or commercial partners with a unique customer ID that have transacted at least once in the last 12 months as either a buyer or seller on our digital marketplace. For the year ended December 31, 2020 our largest seller accounted for less than 0.6% of the Marketplace Units transacted on our digital marketplace. Marketplace Participants include independent and franchise dealers buying and selling on our marketplace, as well as commercial partners, consisting of commercial leasing companies, rental car companies, bank or other finance companies, who use our marketplace to sell their inventory. We believe that our growth in Marketplace Participants over time has been driven by the value proposition of our offerings, and our sales and marketing success, including our ability to attract new dealers and commercial partners to our digital marketplace. Based on our existing territory coverage, we believe that we have significant opportunity to continue to increase the number of Marketplace Participants.

Adjusted EBITDA

Adjusted EBITDA is a performance measure that we use to assess our operating performance and the operating leverage in our business. We define Adjusted EBITDA as net income (loss), adjusted to exclude: depreciation and amortization, stock-based compensation expense, interest expense (income), other expense (income), provision for income taxes, and other one-time, non-recurring items, when applicable. We monitor Adjusted EBITDA as a non-GAAP financial measure to supplement the financial information we present in accordance with generally accepted accounting principles, or GAAP, to provide investors with additional information regarding our financial results. For further explanation of the uses and limitations of this measure and a reconciliation of our Adjusted EBITDA to the most directly comparable GAAP measure, net loss, please see “—Non-GAAP Financial Measures.”

We expect Adjusted EBITDA to fluctuate in the near term as we continue to invest in our business and improve over the long term as we achieve greater scale in our business and efficiencies in our operating expenses.

Non-GAAP Financial Measures

We report our financial results in accordance with GAAP. However, management believes that Adjusted EBITDA, a non-GAAP financial measure, provides investors with additional useful information in evaluating our performance.

Adjusted EBITDA is a financial measure that is not required by or presented in accordance with GAAP. We believe that Adjusted EBITDA, when taken together with our financial results presented in

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accordance with GAAP, provides meaningful supplemental information regarding our operating performance and facilitates internal comparisons of our historical operating performance on a more consistent basis by excluding certain items that may not be indicative of our business, results of operations or outlook. In particular, we believe that the use of Adjusted EBITDA is helpful to our investors as it is a measure used by management in assessing the health of our business and evaluating our operating performance, as well as for internal planning and forecasting purposes.

Adjusted EBITDA is presented for supplemental informational purposes only, has limitations as an analytical tool and should not be considered in isolation or as a substitute for financial information presented in accordance with GAAP. Some of these limitations include that: (i) it does not properly reflect capital commitments to be paid in the future; (ii) although depreciation and amortization are non-cash charges, the underlying assets may need to be replaced and Adjusted EBITDA does not reflect these capital expenditures; (iii) it does not consider the impact of stock-based compensation expense; (iv) it does not reflect other non-operating expenses, including interest expense; (v) it does not consider the impact of any contingent consideration liability valuation adjustments and (vi) it does not reflect tax payments that may represent a reduction in cash available to us. In addition, our use of Adjusted EBITDA may not be comparable to similarly titled measures of other companies because they may not calculate Adjusted EBITDA in the same manner, limiting its usefulness as a comparative measure. Because of these limitations, when evaluating our performance, you should consider Adjusted EBITDA alongside other financial measures, including our net income and other results stated in accordance with GAAP.

The following table presents a reconciliation of Adjusted EBITDA to net loss, the most directly comparable financial measure stated in accordance with GAAP, for the periods presented:

Factors Affecting Our Performance

We believe that the growth and future success of our business depend on many factors. While each of these factors presents significant opportunities for our business, they also pose important challenges that we must successfully address in order to sustain our growth, improve our results of operations, and increase profitability.

Increasing Marketplace Units

Increasing Marketplace Units is a key driver of our revenue growth. The transparency, efficiency and vibrancy of our marketplace is critical to our ability to grow our share of wholesale transactions from existing customers and attract new buyers and sellers to our digital marketplace. There are an estimated 22 million used vehicles in the wholesale market sold by dealers or commercial consignors

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through auctions and private sales directly between dealers compared to 391,466 Marketplace Units sold through our digital marketplace in 2020. Failure to increase the number of Marketplace Units would adversely affect our revenue growth, operating results, and the overall health of our marketplace.

Grow Our Share of Wholesale Transactions from Existing Customers

Our success depends in part on our ability to grow our share of wholesale transactions from existing customers, increasing their engagement and spend on our platform. For example, buyers who completed their first auction transaction on our marketplace in 2017 purchased an average of 15 vehicles in 2017. The buyers in this cohort who continued to remain on our platform purchased an increasing number of vehicles in subsequent years, purchasing an average of 39 vehicles in 2018, 55 in 2019, and 57 in 2020. We remain in the early stages of penetrating our Marketplace Participants’ total number of wholesale transactions. As of December 31, 2020, we had 16,215 Marketplace Participants on our platform compared to the over 50,000 automotive dealers in the United States, while 391,466 Marketplace Units were transacted on our marketplace for the year ended December 31, 2020 compared to the estimated 22 million used vehicles that are bought and sold in the wholesale market each year. As we continue to invest in eliminating key risks of uncertainty related to the auction process through our trusted and efficient digital marketplace, we expect that we will capture an increasing share of transactions from our existing Marketplace Participants. Our ability to increase share from existing customers will depend on a number of factors, including our customers’ satisfaction with our platform, competition, pricing and overall changes in our customers’ engagement levels.

Add New Marketplace Participants

We believe we have a significant opportunity to add new Marketplace Participants. There are over 50,000 automotive dealers in the United States and as of December 31, 2020, we had 16,215 Marketplace Participants. We estimate that our 125 existing territories cover a substantial majority of all dealership locations within the continental United States. As we expand our presence within our existing territories, we are able to drive increased liquidity and greater vehicle selection, which in turn improves our ability to attract new Marketplace Participants. Additionally, we intend to add more commercial consignors to our digital marketplace and capture a greater share of the approximately 8 million vehicles in the wholesale market that are sold to dealers by commercial consignors through auctions and private sales.

Our ability to attract new Marketplace Participants will depend on a number of factors including: the ability of our sales team to onboard dealers and commercial consignors onto our platform and ensure their satisfaction, the ability of our territory managers to build awareness of our brand, the ability of our VCIs to cultivate relationships with our customers in their respective territories, and the effectiveness of our marketing efforts.

Grow Awareness for Our Offerings and Brand

Wholesale vehicle online penetration is just beginning, lagging the consumer automotive market, and we expect more dealers and commercial partners to source and manage their inventory online. As the digitization of the wholesale automotive market accelerates, we believe that our digital marketplace is well positioned to capture a disproportionate share of that growth. We plan to use targeted sales and marketing efforts to educate potential Marketplace Participants as to the benefits of our offerings and drive adoption of our platform. Our ability to grow awareness of our offerings and brand depend on a number of factors, including:

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Our future success is dependent on our ability to successfully grow our market presence and market and sell existing and new products to both new and existing customers.

Grow Value-Added and Data Services

We plan to continue to drive customer adoption of our existing value-added and data services and introduce new and complementary products. Our ability to drive higher attachment rates of existing value-added services, such as ACV Transportation and ACV Capital, will help grow our revenue. In 2019 we launched our financing arm, ACV Capital, in an industry where auction floorplanning is a critical element of sourcing and managing dealer’s inventory.¹⁴ We also plan to drive customer adoption of our data services such as our True360 Reports that bring transparency and offer insights into the condition and value of used vehicles. These data services enable our customers to make more informed inventory management decisions both on and off our digital marketplace. In addition, we will continue to focus on developing new products and services that enhance our platform in areas including new data-powered products. Our ability to drive customer adoption of these products and services is dependent on the pricing of our products, the offerings of our competitors and the effectiveness of our marketing efforts.

Investment in Growth

We are actively investing in our business. In order to support our future growth and expanded product offerings, we expect this investment to continue. We anticipate that our operating expenses will increase as we continue to build our sales and marketing efforts, expand our employee base and invest in our technology development. The investments we make in our platform are designed to grow our revenue opportunity and to improve our operating results in the long term, but these investments could also delay our ability to achieve profitability or reduce our profitability in the near term. Our success is dependent on making value-generative investments that support our future growth.

Used Car Demand

Our success depends in part on sufficient demand for used vehicles. Our recent growth has coincided with an increase in consumer demand for used vehicles. For example, in 2019, 64% of consumers in the market for a vehicle considered buying a used vehicle, up from 59% in 2017. In addition to enduring consumer demand, the used vehicle industry has shown resilience through recessionary markets and other challenging economic cycles. In fact, from 2007 to 2009, new car transactions decreased by 35%, compared to just 14% for used cars.¹⁵

Used vehicle sales are also seasonal. Sales typically peak late in the first calendar quarter and early in the second quarter, with the lowest relative level of industry vehicle sales occurring in the fourth calendar quarter. Due to our rapid growth since launch, our sales patterns to date have not been entirely reflective of the general seasonality of the used vehicle market, but we expect this to normalize

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as our business matures. Seasonality also impacts used vehicle pricing, with used vehicles depreciating at a faster rate in the last two quarters of each year and a slower rate in the first two quarters of each year. We may experience seasonal and other fluctuations in our quarterly results of operations, which may not fully reflect the underlying performance of our business. See the section titled “—Seasonality” for additional information on the impacts of seasonality on our business.

Components of Results of Operations

Revenue

Marketplace and Service Revenue

We have historically generated the majority of our revenue from our digital marketplace where we earn auction and ancillary fees from both buyers and sellers, in each case only upon a successful auction. Our marketplace and service revenue consists principally of revenue earned from facilitating auctions and arranging for the transportation of vehicles purchased in such auctions.

We act as an agent when facilitating a vehicle auction through the marketplace. Auction and related fees charged to the buyer and seller are reported as revenue on a net basis, excluding the price of the auctioned vehicle in the transaction.

We act as a principal when arranging for the transportation of vehicles purchased on the marketplace and leverage our network of third-party transportation carriers to secure the arrangement. Transportation fees charged to the buyer are reported on a gross basis.

We also generate data services revenue through our True360 reports and offer short-term, inventory financing to eligible customers purchasing vehicles through the marketplace, which has been immaterial to date.

Customer Assurance Revenue

We also generate revenue by providing our Go Green assurance to sellers on the condition of certain vehicles sold on the marketplace, which is considered a guarantee under GAAP. This assurance option is only available for sellers who have enrolled in the service on qualifying vehicles for which we have prepared the vehicle condition report. Customer assurance revenue also includes revenue from other price guarantee products offered to sellers. Customer assurance revenue is measured based upon the fair value of the Go Green assurance that we provide. We expect the fair value per vehicle assured to decrease over time as we continue to improve the quality of our inspection product, which in turn reduces the costs of satisfying such assurance.

Operating Expenses

Marketplace and Service Cost of Revenue

Marketplace and service cost of revenue consists of third-party transportation carrier costs, titles shipping costs, customer support, website hosting costs, inspection costs related to data services and various other costs. These costs include salaries, benefits, bonuses and related stock-based compensation expenses, which we refer to as personnel-related expenses. We expect our marketplace and service cost of revenue to continue to increase as we continue to scale our business and introduce new product and service offerings.

Customer Assurance Cost of Revenue

Customer assurance cost of revenue consists of the costs related to satisfying claims against the vehicle condition guarantees, and other price guarantees. We expect that our customer assurance cost

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of revenue will increase in absolute dollars as our business grows, particularly as we provide guarantees on an increasing number of vehicles.

Operations and Technology

Operations and technology expense consists of costs for wholesale auction inspections, personnel costs related to payments and titles processing, transportation processing, product and engineering and other general operations and technology expenses. These costs include personnel-related expenses and other allocated facility and office costs. We expect that our operations and technology expense will increase in absolute dollars as our business grows, particularly as we incur additional costs related to continued investments in our marketplace, transportation capabilities and other technologies.

Selling, General and Administrative

Selling, general and administrative expense consists of costs resulting from sales, accounting, finance, legal, marketing, human resources, executive, and other administrative activities. These costs include personnel-related expenses, legal and other professional services expenses and other allocated facility and office costs. Also included in selling, general and administrative expense is advertising and marketing costs to promote our services.

Following the completion of this offering, we expect to incur additional expenses as a result of operating as a public company, including costs to comply with the rules and regulations applicable to companies listed on a national securities exchange, costs related to compliance and reporting obligations, and increased expenses for insurance, investor relations and professional services. We expect that our selling, general and administrative expense will increase in absolute dollars as our business grows. However, we expect that our selling, general and administrative expense will decrease as a percentage of our revenue as our revenue grows over the longer term.

Depreciation and Amortization

Depreciation and amortization expense consists of depreciation of fixed assets, and amortization of acquired intangible assets and internal-use software.

Other Income (Expense)

Other income (expense) consists primarily of interest income earned on our cash and cash equivalents.

Provision for Income Taxes

Provision for income taxes consists of U.S. federal, state and foreign income taxes.

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Results of Operations

The following table sets forth our consolidated statements of operations data for the periods presented:

The following table sets forth our consolidated statements of comprehensive loss for the periods presented:

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The following table sets forth our consolidated statements of operations data expressed as a percentage of total revenue for the periods presented:

Comparison of the Years Ended December 31, 2020 and December 31, 2019

Revenue

Marketplace and Service Revenue

Marketplace and service revenue was $173.1 million for the year ended December 31, 2020, compared to $87.8 million for the year ended December 31, 2019. The increase of $85.4 million, or 97%, was primarily driven by an increase in auction marketplace revenue earned from our buyers and sellers, as well as an increase in revenue earned from arranging for the transportation of vehicles to buyers, data and other service revenue. Revenue increases were primarily volume-driven as a result of the expansion of our marketplace platform across the United States and a deeper penetration of markets where we do business. For the year ended December 31, 2020, auction marketplace revenue increased to $99.2 million from $49.2 million in the year ended December 31, 2019, and transportation, data and other services revenue increased to $73.9 million from $38.6 million.

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Customer Assurance Revenue

Customer assurance revenue was $35.2 million for the year ended December 31, 2020, compared to $19.1 million for the year ended December 31, 2019. The increase of $16.1 million, or 85%, primarily consisted of an increase in revenue generated from Go Green assurance offerings sold to the seller in marketplace transactions. Revenue increases were primarily volume-driven as a result of the expansion of our marketplace platform across the United States and a deeper penetration of markets where we do business.

Operating Expenses

Marketplace and Service Cost of Revenue

Marketplace and service cost of revenue was $83.6 million for the year ended December 31, 2020, compared to $66.0 million for the year ended December 31, 2019. The increase of $17.6 million, or 27%, primarily consisted of an increase in the cost of generating auction marketplace revenue and an increase attributable to the cost of generating transportation, data and other services revenue, which were primarily due to increased sales volume. For the year ended December 31, 2020, total costs attributable to generating auction marketplace revenue increased to $11.1 million from $8.2 million in the year ended December 31, 2019 and total cost of generating transportation, data and other services revenue increased to $72.5 million from $57.8 million. Direct and allocated personnel-related costs included in auction marketplace cost of revenue increased to $4.2 million for the year ended December 31, 2020 from $3.1 million in the year ended December 31, 2019, and direct and allocated personnel-related costs included in transportation, data and other services increased to $9.9 million from $0.1 million.

Customer Assurance Cost of Revenue

Customer assurance cost of revenue was $29.5 million for the year ended December 31, 2020, compared to $16.8 million for the year ended December 31, 2019. The increase of $12.7 million, or 75%, primarily consisted of costs attributable to our Go Green and other assurance offerings, and was

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primarily driven by increased sales volume. For the year ended December 31, 2020, Go Green assurance cost of revenue increased to $27.1 million from $16.3 million in the year ended December 31, 2019, and other assurance cost of revenue increased to $2.4 million from $0.5 million.

Operations and Technology Expenses

Operations and technology expenses were $65.0 million for the year ended December 31, 2020, compared to $39.6 million for the year ended December 31, 2019. The increase of $25.4 million, or 64%, primarily consisted of an increase in personnel related costs, software and technology, and facilities and other expenses. For the year ended December 31, 2020 compared to the year ended December 31, 2019, personnel-related costs increased to $55.2 million from $32.3 million as a result of increased headcount, software and technology expenses increased to $6.3 million from $4.3 million as a result of continued investment in our technology infrastructure, facility and office expenses increased to $3.0 million from $2.8 million, and other expenses increased to $0.5 million from $0.2 million, all inclusive of direct and allocated expenses.

Selling, General, and Administrative Expenses

Selling, general, and administrative expenses were $64.9 million for the year ended December 31, 2020, compared to $62.4 million in for the year ended December 31, 2019. The increase of $2.5 million, or 4%, primarily consisted of increases in personnel-related costs, software and technology expenses and facility and office expenses, offset by a decrease in advertising and marketing expenses. For the year ended December 31, 2020 compared to December 31, 2019, personnel related costs increased to $56.3 million from $54.0 million due to increased headcount, software and technology expenses increased to $1.4 million from $0.4 million as a result of continued investment in our technology infrastructure, facility and office expenses increased to $1.6 million from $1.0 million and advertising and marketing decreased to $2.0 million from $3.4 million, all inclusive of direct and allocated expenses. Other expenses remained consistent at $3.6 million year over year.

Depreciation and Amortization

Depreciation and amortization costs were $6.1 million for the year ended December 31, 2020, compared to $1.3 million for the year ended December 31, 2019. For the year ended December 31,

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2020, depreciation increased to $1.7 million from $0.8 million in the year ended December 31, 2019, amortization of capitalized internal-use software costs increased to $1.4 million from $0.4 million and amortization of acquired intangible assets increased to $3.0 million from $0.1 million.

Interest Income

Interest income decreased to $0.7 million for the year ended December 31, 2020 from $2.1 million for the year ended December 31, 2019.

Interest Expense

Interest expense on revolving lines of credit was $0.6 million for the year ended December 31, 2020. No interest expense recorded for the year ended December 31, 2019.

Provision for Income Taxes