George Chamoun - 02 Jan 2026 Form 4 Insider Report for ACV Auctions Inc. (ACVA)

Role: Chief Executive Officer, Director
Signature: /s/ Michelle Webb, Attorney-in-Fact
Issuer symbol: ACVA
Transactions as of: 02 Jan 2026
Net transactions value: -$286,975
Form type: 4
Filing time: 06 Jan 2026, 16:27:13 UTC
Previous filing: 17 Dec 2025
Next filing: 13 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Chamoun George	Chief Executive Officer, Director	C/O ACV AUCTIONS INC., 640 ELLICOTT ST., SUITE 321, BUFFALO	/s/ Michelle Webb, Attorney-in-Fact	06 Jan 2026	0001419488

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ACVA	Common Stock	Tax liability	$87,725	-10,582	-0.4%	$8.29	2,608,132	02 Jan 2026	Direct	F1
transaction	ACVA	Common Stock	Tax liability	$78,100	-9,421	-0.36%	$8.29	2,598,711	02 Jan 2026	Direct	F1
transaction	ACVA	Common Stock	Tax liability	$121,150	-14,614	-0.56%	$8.29	2,584,097	02 Jan 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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.