ACV Auctions (NASDAQ: ACVA) COO discloses RSU tax share withholdings

Rhea-AI Filing Summary

ACV Auctions Inc. Chief Operating Officer reported automatic share withholdings to cover taxes due on vested restricted stock units. On January 2, 2026, the issuer withheld blocks of common stock from the officer’s awards, including 6,354 shares and 7,093 shares at a price of $8.29 per share. After the last reported transaction, the officer directly beneficially owned 556,976 shares of ACV Auctions common stock. The filing notes these transactions were issuer tax withholdings and not discretionary open‑market sales by the reporting person.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Mehta Vikas

(Last) (First) (Middle)

C/O ACV AUCTIONS INC.

640 ELLICOTT ST., SUITE 321

(Street)

BUFFALO NY 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)

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

3. Date of Earliest Transaction (Month/Day/Year)
01/02/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	01/02/2026		F		6,354(1)	D	$8.29	569,023	D
Common Stock	01/02/2026		F		4,954(1)	D	$8.29	564,069	D
Common Stock	01/02/2026		F		7,093(1)	D	$8.29	556,976	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. These shares were withheld by the Issuer to cover the tax liability upon the vesting of a time-based restricted stock unit previously granted, and does not represent a discretionary sale by the reporting person.

Remarks:

	/s/ Michelle Webb, Attorney-in-Fact	01/06/2026
	** 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).
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FAQ

What insider transaction did ACV Auctions (ACVA) report in this Form 4?

The Chief Operating Officer of ACV Auctions Inc. reported that the company withheld shares of common stock on January 2, 2026 to cover tax obligations arising from the vesting of previously granted time-based restricted stock units.

Were the ACVA insider transactions discretionary sales by the COO?

No. The filing explains that the reported shares were withheld by the issuer to cover tax liabilities upon RSU vesting and do not represent discretionary sales by the reporting person.

How many ACV Auctions shares were withheld to cover RSU taxes?

The report shows multiple automatic withholdings of ACV Auctions common stock, including 6,354 shares and 7,093 shares at a price of $8.29 per share, to satisfy tax obligations on vested restricted stock units.

What is the ACV Auctions COO’s share ownership after the reported transactions?

Following the final reported withholding transaction, the Chief Operating Officer directly beneficially owned 556,976 shares of ACV Auctions common stock.

What position does the reporting person hold at ACV Auctions (ACVA)?

The reporting person is an officer of ACV Auctions Inc., serving as the company’s Chief Operating Officer.

Does this ACV Auctions filing involve derivative securities like options or warrants?

The Form 4 includes a section for derivative securities, but in this excerpt, the detailed transactions shown relate to non-derivative common stock withheld for taxes on RSU vesting.