ACV Auctions CEO reports tax-share withholding

ACV Auctions Inc. Chief Executive Officer George Chamoun reported several tax-related share dispositions on July 1, 2026.

Rhea-AI Filing Summary

ACV Auctions Inc. Chief Executive Officer George Chamoun reported several tax-related share dispositions on July 1, 2026. A total of 54,686 shares of common stock were withheld by the company at $7.29 per share to satisfy tax liabilities upon vesting of time-based restricted stock units. According to the filing, these actions were not discretionary market sales. After these withholding transactions, Chamoun directly held 3,365,107 shares of ACV Auctions common stock.

Insider Trade Summary

Exercise Price or Tax Liability: 54,686 shares

Exercise Price or Tax Liability 4 txns

Insider Chamoun George

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	21,281	$7.29	$155K
Exercise Price or Tax Liability	Common Stock	10,582	$7.29	$77K
Exercise Price or Tax Liability	Common Stock	9,422	$7.29	$69K
Exercise Price or Tax Liability	Common Stock	13,401	$7.29	$98K

Holdings After Transaction: Common Stock — 3,365,107 shares (Direct)

Footnotes (1)

1. F1. 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.

Key Figures

Tax-withholding shares: 54,686 shares Transaction price: $7.29 per share Holdings after transactions: 3,398,512 shares +1 more

4 metrics

Tax-withholding shares 54,686 shares Common stock withheld to cover tax liability on July 1, 2026

Transaction price $7.29 per share Value used for tax-withholding dispositions of common stock

Holdings after transactions 3,398,512 shares CEO’s direct ACV Auctions common stock holdings after final disposition

Number of tax-withholding transactions 4 transactions Code F non-derivative dispositions on July 1, 2026

Key Terms

restricted stock unit, tax-withholding disposition, Common Stock, Form 4

4 terms

restricted stock unit financial

"upon the vesting of a time-based restricted stock unit previously granted"

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

tax-withholding disposition financial

"transaction_action": "tax-withholding disposition""

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

Common Stock financial

""security_title": "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 regulatory

"as disclosed in the Form 4 filing"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

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

ACV Auctions CEO George Chamoun reported tax-withholding dispositions of common stock. On July 1, 2026, the company withheld 54,686 shares to cover tax obligations from vesting restricted stock units, rather than discretionary open-market sales, as disclosed in the Form 4 filing.

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

A total of 54,686 ACV Auctions common shares were withheld for taxes. The Form 4 shows four code F transactions, each representing shares delivered back to the issuer at $7.29 per share to satisfy tax liabilities from restricted stock unit vesting.

What price per share was used for ACV Auctions (ACVA) tax-withholding transactions?

The tax-withholding dispositions used a price of $7.29 per ACV Auctions share. Each of the four Form 4 transactions lists a transaction price per share of $7.29, the value applied when shares were withheld to cover the CEO’s tax liability.

Did ACV Auctions (ACVA) CEO George Chamoun sell shares in the open market?

The Form 4 states the CEO did not make discretionary market sales. Shares were withheld by ACV Auctions solely to cover tax liabilities upon vesting of time-based restricted stock units, which the footnote clarifies are not discretionary sales by the reporting person.

How many ACV Auctions (ACVA) shares does the CEO hold after the reported transactions?

After these transactions, the CEO holds 3,398,512 ACV Auctions shares directly. The Form 4 shows total shares following the final tax-withholding disposition, providing context that the reported transactions represent a small portion of his overall holdings.

What does transaction code F mean in the ACV Auctions (ACVA) Form 4?

Transaction code F indicates a tax-withholding disposition of shares. In this filing, code F is described as payment of tax liability by delivering ACV Auctions common stock back to the issuer, rather than voluntary buying or selling in the open market.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 07/06/2026 - 04:39 PM EDT Learn about SEC filing dates

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).

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 NEW YORK 14203

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/01/2026

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

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

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

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	07/01/2026		F		21,281(1)	D	$7.29	3,398,512	D
Common Stock	07/01/2026		F		10,582(1)	D	$7.29	3,387,930	D
Common Stock	07/01/2026		F		9,422(1)	D	$7.29	3,378,508	D
Common Stock	07/01/2026		F		13,401(1)	D	$7.29	3,365,107	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	07/06/2026
	** 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.
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.
* Form 4: SEC 1474 (03-26)