X0206 3 2021-03-23 0 0001637873 ACV Auctions Inc. ACVA 0001044530 KAMERICK EILEEN A C/O ACV AUCTIONS INC. 640 ELLICOTT STREET, #321 BUFFALO NY 14203 1 0 0 0 Stock Option (right to buy) 4.50 2030-03-04 Common Stock 143482 D The shares subject to the option vested or shall vest in twelve (12) equal quarterly installments commencing on March 5, 2020, subject to the Reporting Person's continuous service through each such date. Each share of Common Stock shall be reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock. Exhibit List - Exhibit 24 - Power of Attorney /s/ Jason Minio, Attorney-in-Fact 2021-03-23