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

Role: Chief Financial Officer
Signature: /s/ Michelle Webb, Attorney-in-Fact
Issuer symbol: ACVA
Transactions as of: 02 Jan 2026
Net transactions value: -$116,242
Form type: 4
Filing time: 06 Jan 2026, 16:17:44 UTC
Previous filing: 03 Oct 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
ZERELLA WILLIAM	Chief Financial Officer	C/O ACV AUCTIONS INC., 640 ELLICOTT ST., SUITE 321, BUFFALO	/s/ Michelle Webb, Attorney-in-Fact	06 Jan 2026	0001493307

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ACVA	Common Stock	Tax liability	$32,530	-3,924	-0.46%	$8.29	845,322	02 Jan 2026	Direct	F1
transaction	ACVA	Common Stock	Tax liability	$37,438	-4,516	-0.53%	$8.29	840,806	02 Jan 2026	Direct	F1
transaction	ACVA	Common Stock	Tax liability	$46,275	-5,582	-0.66%	$8.29	835,224	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.