ACV Auctions (ACVA) CEO buys 24,272 shares in Rule 10b5-1 trade

Rhea-AI Filing Summary

ACV Auctions Inc. Chief Executive Officer George Chamoun purchased 24,272 shares of common stock in an open-market transaction at a weighted average price of $5.05 per share. After this trade, he directly owns 2,952,977 shares. The purchase was made pursuant to a pre-arranged Rule 10b5-1 trading plan entered into on September 15, 2025, indicating it was scheduled in advance rather than timed opportunistically.

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

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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).

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)
03/09/2026

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	03/09/2026		P(1)		24,272	A	$5.05(2)	2,952,977	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 $4.87 to $5.19 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	03/11/2026
	** 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 did ACV Auctions (ACVA) CEO George Chamoun do in this Form 4 filing?

George Chamoun reported buying 24,272 ACV Auctions common shares in the open market at a weighted average price of $5.05 per share. This transaction increased his direct holdings to 2,952,977 shares, as disclosed in the Form 4 insider trading report.

Was the ACV Auctions (ACVA) CEO’s share purchase part of a Rule 10b5-1 plan?

Yes. The filing states the shares were purchased under a Rule 10b5-1 trading plan entered into on September 15, 2025. Such plans pre-schedule trades, suggesting the timing reflects a pre-arranged program rather than a discretionary market-timing decision.

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

The weighted average purchase price was $5.05 per share. A footnote explains the 24,272 shares were acquired in multiple transactions at prices ranging from $4.87 to $5.19 inclusive, with full trade-by-trade details available upon request to the company or regulators.

How many ACV Auctions (ACVA) shares does the CEO own after this transaction?

Following the reported purchase, George Chamoun directly owns 2,952,977 shares of ACV Auctions common stock. This total reflects his position after adding the 24,272 shares bought in the open market, as specified in the Form 4’s post-transaction ownership column.

Is this ACV Auctions (ACVA) insider trade a buy or a sell?

It is a buy transaction. The Form 4 lists transaction code “P” for an open-market purchase and flags the direction as a net buy of 24,272 shares, with no reported sales or derivative exercises in this particular filing.