Craig Eric Anderson - 01 Oct 2025 Form 4 Insider Report for ACV Auctions Inc. (ACVA)

Role: CCDSO
Signature: /s/ Michelle Webb, Attorney-in-Fact
Issuer symbol: ACVA
Transactions as of: 01 Oct 2025
Net transactions value: -$133,538
Form type: 4
Filing time: 03 Oct 2025, 16:07:04 UTC
Previous filing: 24 Jul 2025
Next filing: 06 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Anderson Craig Eric	CCDSO	C/O ACV AUCTIONS INC., 640 ELLICOTT ST., SUITE 321, BUFFALO	/s/ Michelle Webb, Attorney-in-Fact	03 Oct 2025	0001852174

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ACVA	Common Stock	Tax liability	$52,213	-5,185	-1.5%	$10.07	335,614	01 Oct 2025	Direct	F1
transaction	ACVA	Common Stock	Tax liability	$36,705	-3,645	-1.1%	$10.07	331,969	01 Oct 2025	Direct	F1
transaction	ACVA	Common Stock	Tax liability	$44,620	-4,431	-1.3%	$10.07	327,538	01 Oct 2025	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.