Leanne Fitzgerald - 01 Oct 2025 Form 4 Insider Report for ACV Auctions Inc. (ACVA)

Role: Chief Legal Officer
Signature: /s/ Michelle Webb, Attorney-in-Fact
Issuer symbol: ACVA
Transactions as of: 01 Oct 2025
Net transactions value: -$165,712
Form type: 4
Filing time: 03 Oct 2025, 16:09:09 UTC
Previous filing: 04 Apr 2025
Next filing: 06 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Fitzgerald Leanne	Chief Legal Officer	C/O ACV AUCTIONS INC., 640 ELLICOTT ST., SUITE 321, BUFFALO	/s/ Michelle Webb, Attorney-in-Fact	03 Oct 2025	0001783261

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ACVA	Common Stock	Tax liability	$58,617	-5,821	-1.4%	$10.07	416,674	01 Oct 2025	Direct	F1
transaction	ACVA	Common Stock	Tax liability	$41,871	-4,158	-1%	$10.07	412,516	01 Oct 2025	Direct	F1
transaction	ACVA	Common Stock	Tax liability	$29,445	-2,924	-0.71%	$10.07	409,592	01 Oct 2025	Direct	F1
transaction	ACVA	Common Stock	Tax liability	$35,779	-3,553	-0.87%	$10.07	406,039	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.