STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Hirsch Brian

(Last)

(First)

(Middle)

C/O ACV AUCTIONS INC.

640 ELLICOTT STREET, #321

(Street)

BUFFALO

14203

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
ACV Auctions Inc. [ ACVA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
03/26/2021

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

**Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned**
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)

**Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned**
**(e.g., puts, calls, warrants, options, convertible securities)**
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Series A Preferred Stock	⁽¹⁾	03/26/2021		C			1,449,588	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾⁽³⁾	1,449,588	$0.00	0	I	See footnote⁽⁴⁾
Class B Common Stock	⁽²⁾	03/26/2021		J		1,449,588		⁽²⁾	⁽²⁾	Class A Common Stock	1,449,588	$0.00	1,449,588	I	See footnote⁽⁴⁾
Series A Preferred Stock	⁽¹⁾	03/26/2021		C			4,348,760	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾⁽³⁾	4,348,760	$0.00	0	I	See footnote⁽⁵⁾
Class B Common Stock	⁽²⁾	03/26/2021		J		4,348,760		⁽²⁾	⁽²⁾	Class A Common Stock	4,348,760	$0.00	4,348,760	I	See footnote⁽⁵⁾
Series B Preferred Stock	⁽¹⁾	03/26/2021		C			1,307,258	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾⁽³⁾	1,307,258	$0.00	0	I	See footnote⁽⁴⁾
Class B Common Stock	⁽²⁾	03/26/2021		J		1,307,258		⁽¹⁾	⁽¹⁾	Class A Common Stock	1,307,258	$0.00	2,756,846	I	See footnote⁽⁴⁾
Series B Preferred Stock	⁽¹⁾	03/26/2021		C			3,921,770	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾⁽³⁾	3,921,770	$0.00	0	I	See footnote⁽⁵⁾
Class B Common Stock	⁽²⁾	03/26/2021		J		3,921,770		⁽²⁾	⁽²⁾	Class A Common Stock	3,921,770	$0.00	8,270,530	I	See footnote⁽⁵⁾
Series C Preferred Stock	⁽¹⁾	03/26/2021		C			3,422,133	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾⁽³⁾	3,422,133	$0.00	0	I	See footnote⁽⁶⁾
Class B Common Stock	⁽²⁾	03/26/2021		J		3,422,133		⁽²⁾	⁽²⁾	Class A Common Stock	3,422,133	$0.00	3,422,133	I	See footnote⁽⁶⁾
Series C Preferred Stock	⁽¹⁾	03/26/2021		C			131,620	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾⁽³⁾	131,620	$0.00	0	I	See footnote⁽⁴⁾
Class B Common Stock	⁽²⁾	03/26/2021		J		131,620		⁽²⁾	⁽²⁾	Class A Common Stock	131,620	$0.00	2,888,466	I	See footnote⁽⁴⁾
Series C Preferred Stock	⁽¹⁾	03/26/2021		C			394,861	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾⁽³⁾	394,861	$0.00	0	I	See footnote⁽⁵⁾
Class B Common Stock	⁽²⁾	03/26/2021		J		394,861		⁽²⁾	⁽²⁾	Class A Common Stock	394,861	$0.00	8,665,391	I	See footnote⁽⁵⁾
Series D Preferred Stock	⁽¹⁾	03/26/2021		C			744,332	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾⁽³⁾	744,332	$0.00	0	I	See footnote⁽⁶⁾
Class B Common Stock	⁽²⁾	03/26/2021		J		744,332		⁽²⁾	⁽²⁾	Class A Common Stock	744,332	$0.00	4,166,465	I	See footnote⁽⁶⁾
Series D Preferred Stock	⁽¹⁾	03/26/2021		C			387,053	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾⁽³⁾	387,053	$0.00	0	I	See footnote⁽⁷⁾
Class B Common Stock	⁽²⁾	03/26/2021		J		387,053		⁽²⁾	⁽²⁾	Class A Common Stock	387,053	$0.00	387,053	I	See footnote⁽⁷⁾
Series E Preferred Stock	⁽¹⁾	03/26/2021		C			226,031	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾⁽³⁾	226,031	$0.00	0	I	See footnote⁽⁶⁾
Class B Common Stock	⁽²⁾	03/26/2021		J		226,031		⁽²⁾	⁽²⁾	Class A Common Stock	226,031	$0.00	4,392,496	I	See footnote⁽⁶⁾
Series E-1 Preferred Stock	⁽¹⁾	03/26/2021		C			42,200	⁽¹⁾	⁽¹⁾	Class B Common Stock⁽²⁾⁽³⁾	42,200	$0.00	0	I	See footnote⁽⁷⁾
Class B Common Stock	⁽²⁾	03/26/2021		J		42,200		⁽¹⁾	⁽¹⁾	Class A Common Stock	42,200	$0.00	429,253	I	See footnote⁽⁷⁾

Explanation of Responses:

1. Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series E-1 Preferred Stock automatically converted into Common Stock on a 1:1 basis and were reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

2. Each share of Class B Common Stock will convert automatically into shares of Class A common stock, on a one-to-one basis, upon the following: (1) the sale or transfer of such share of Class B Common Stock, subject to certain exceptions specified in the Issuer's amended and restated certificate of incorporation; (2) the death of the Reporting Person; and (3) the final conversion date, defined as the earlier of (a) the first trading day on or after the date on which the outstanding shares of Class B Common Stock represent less than 5.0% of the Issuer's then-outstanding Class A and Class B Common Stock; (b) the tenth anniversary of this offering; or (c) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

3. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock, subject to a 4.99% beneficial ownership limitation which may be increased or decreased by the holder upon 61 days' notice to the Issuer.

4. The securities are held by Tribeca Venture Fund II New York, L.P. ("TVFII NY"). Tribeca Venture Partners II GP, LLC ("TVP II GP") is the general partner of TVFII NY. The Reporting Person is a managing partner of TVP II GP. The Reporting Person disclaims beneficial ownership of the securities held by TVFII NY, except to the extent of his pecuniary interest, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities.

5. The securities are held by Tribeca Venture Fund II, L.P. ("TVFII"). Tribeca Venture Partners II GP, LLC ("TVP II GP") is the general partner of TVFII. The Reporting Person is a managing partner of TVP II GP. The Reporting Person disclaims beneficial ownership of the securities held by TVFII, except to the extent of his pecuniary interest, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities.

6. The securities are held by Tribeca Access Fund, L.P. ("TAF"). Tribeca Venture Partners II GP, LLC ("TVP II GP") is the general partner of TVFII NY. The Reporting Person is a managing partner of TVP II GP. The Reporting Person disclaims beneficial ownership of the securities held by TAF, except to the extent of his pecuniary interest, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities.

7. The securities are held by TACV, L.P. ("TACV"). Tribeca Venture Partners II GP, LLC ("TVP II GP") is the general partner of TVFII. The Reporting Person is a managing partner of TVP II GP. The Reporting Person disclaims beneficial ownership of the securities held by TACV, except to the extent of his pecuniary interest, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities.

Remarks:

	/s/ Jason Minio, Attorney-in-Fact	03/30/2021
	** Signature of Reporting Person	Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

4: Statement of changes in beneficial ownership of securities

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP