ACV Auctions Inc. — Director's Dealing 2025

May 30, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ACV Auctions Inc. (ACVA)
CIK: 0001637873
Period of Report: 2025-05-28

Reporting Person: Hirsch Brian (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-05-28	Class A Common Stock	A	9868	—	Acquired	19107	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	1397090	Indirect
Class A Common Stock	465697	Indirect

Footnotes

F1: Represents a restricted stock unit (RSU) award. The RSUs will vest on the first anniversary of the grant date, provided that the RSUs shall become fully vested as of the day immediately preceding the next Annual Meeting if such date is sooner than first anniversary of the grant date. Vesting of the RSUs is subject in all cases to the Reporting Person's continuous service through the applicable vesting date.

F2: The shares are held by Tribeca Venture Fund II, L.P. ("TVFII"). Tribeca Venture Partners II G.P.. LLC ("TVP II GP") is the general partner of TVFII. The Reporting Person is a managing partner of TVP II GP. The Reporting Person disclaims beneficial ownership of the shares held by TVFII, except to the extent of his pecuniary interest, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such shares.

F3: The shares are held by Tribeca Venture Fund II New York, L.P. ("TVFII NY"). TVP II GP is the general partner of TVFII NY. The Reporting Person is a managing partner of TVP II GP. The Reporting Person disclaims beneficial ownership of the shares held by TVFII NY, except to the extent of his pecuniary interest, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such shares.