ACV Auctions Inc. (NASDAQ: ACVA) CEO details RSU tax share withholding

Rhea-AI Filing Summary

ACV Auctions Inc. reported an insider equity transaction by its Chief Executive Officer, who is also a director. On 01/02/2026, multiple blocks of common stock (10,582 shares, 9,421 shares, and 14,614 shares) were withheld at a price of $8.29 per share to cover tax liabilities arising from the vesting of previously granted time-based restricted stock units. After these transactions, the reporting person beneficially owned 2,584,097 shares of ACV Auctions common stock. The company notes that these share withholdings were to satisfy tax obligations and do not represent discretionary open‑market sales by the insider.

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

OMB APPROVAL

OMB Number:			3235-0287
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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^*

Chamoun George

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive 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		10,582(1)	D	$8.29	2,608,132	D
Common Stock	01/02/2026		F		9,421(1)	D	$8.29	2,598,711	D
Common Stock	01/02/2026		F		14,614(1)	D	$8.29	2,584,097	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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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FAQ

What insider transaction did ACV Auctions Inc. (ACVA) disclose?

ACV Auctions Inc. disclosed that its Chief Executive Officer and director had shares of common stock withheld by the company on 01/02/2026 to cover tax liabilities tied to vesting restricted stock units.

How many ACV Auctions (ACVA) shares were withheld for taxes in this Form 4?

The filing reports three tax-withholding transactions in common stock: 10,582 shares, 9,421 shares, and 14,614 shares, each at a price of $8.29 per share.

Was the ACV Auctions CEO’s Form 4 transaction a discretionary sale?

No. The company states that these shares were withheld to cover tax liability upon vesting of a time-based restricted stock unit grant and do not represent a discretionary sale by the reporting person.

How many ACV Auctions (ACVA) shares does the reporting person own after the transaction?

Following the reported tax-withholding transactions, the reporting person beneficially owned 2,584,097 shares of ACV Auctions Inc. common stock in direct ownership.

What role does the reporting person hold at ACV Auctions Inc. (ACVA)?

The reporting person is identified as a Director and an Officer, serving in the role of Chief Executive Officer of ACV Auctions Inc.

What does the transaction code "F" indicate in this ACV Auctions Form 4?

The transactions are reported with code "F", and the explanation states that the shares were withheld by the issuer to cover tax liability when time-based restricted stock units vested.