Michael Waterman - 01 Jul 2025 Form 4 Insider Report for ACV Auctions Inc. (ACVA)

Role: Chief Sales Officer
Signature: /s/ Michelle Webb, Attorney-in-Fact
Issuer symbol: ACVA
Transactions as of: 01 Jul 2025
Net transactions value: -$210,005
Form type: 4
Filing time: 03 Jul 2025, 18:04:36 UTC
Previous filing: 12 Jun 2025
Next filing: 09 Jul 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Waterman Michael	Chief Sales Officer	C/O ACV AUCTIONS INC., 640 ELLICOTT ST., SUITE 321, BUFFALO	/s/ Michelle Webb, Attorney-in-Fact	03 Jul 2025	0001851495

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ACVA	Common Stock	Tax liability	$57,004	-3,459	-0.85%	$16.48	402,151	01 Jul 2025	Direct	F1, F2
transaction	ACVA	Common Stock	Tax liability	$81,065	-4,919	-1.2%	$16.48	397,232	01 Jul 2025	Direct	F1, F2
transaction	ACVA	Common Stock	Tax liability	$71,935	-4,365	-1.1%	$16.48	392,867	01 Jul 2025	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	The company's stock previously referred to as Class A Common Stock is now referred to as Common Stock following changes made to the company's articles of incorporation. There was no change to any rights related to the stock.
F2	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