[Form 4] ACV Auctions Inc. Insider Trading Activity

Rhea-AI Filing Summary

ACV Auctions Inc. Chief Executive Officer and director George Chamoun reported an open-market purchase of company stock. On January 12, 2026, he bought 14,286 shares of common stock at a weighted average price of $8.81 per share, through multiple trades executed between $8.62 and $9.03.

The transaction was made under a pre-arranged Rule 10b5-1 trading plan that was entered into on September 15, 2025. Following this purchase, Chamoun directly holds 2,598,383 shares of ACV Auctions common stock.

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
Estimated average burden
hours per response:			0.5

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

X

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)
01/12/2026

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	01/12/2026		P(1)		14,286	A	$8.81(2)	2,598,383	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. Shares purchased pursuant to a Rule 10b5-1 trading plan entered into on September 15, 2025.

2. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.62 to $9.03 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

Remarks:

	/s/ Michelle Webb, Attorney-in-Fact	01/13/2026
	** 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.
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.

FAQ

What insider transaction did ACV Auctions (ACVA) report for its CEO?

ACV Auctions reported that Chief Executive Officer and director George Chamoun purchased 14,286 shares of its common stock in an open-market transaction on January 12, 2026.

At what price did the ACV Auctions (ACVA) CEO buy shares?

The shares were bought at a weighted average price of $8.81 per share, with individual trades executed at prices ranging from $8.62 to $9.03 inclusive.

How many ACV Auctions (ACVA) shares does CEO George Chamoun own after this trade?

After the reported purchase, CEO George Chamoun directly owns 2,598,383 shares of ACV Auctions common stock.

Was the ACV Auctions (ACVA) CEO trade made under a Rule 10b5-1 plan?

Yes. The filing states that the shares were purchased pursuant to a Rule 10b5-1 trading plan that was entered into on September 15, 2025.

What type of security did the ACV Auctions (ACVA) CEO purchase?

George Chamoun purchased ACV Auctions Inc. common stock in a non-derivative, open-market transaction.

Was this ACV Auctions (ACVA) insider transaction reported as a purchase or a sale?

The transaction was coded as P for purchase, indicating that CEO George Chamoun acquired additional shares of ACV Auctions common stock.