X0306 4 2022-12-13 0 0001637873 ACV Auctions Inc. ACVA 0001252022 GOODMAN ROBERT P C/O ACV AUCTIONS INC. 640 ELLICOTT STREET, #321 BUFFALO NY 14203 1 0 0 0 Class A Common Stock 2022-12-13 4 C 0 0 0.00 A 0 I See footnotes Class A Common Stock 2022-12-13 4 S 0 0 0.00 D 0 I See footnotes Class A Common Stock 515193 D Class A Common Stock 22125 I See footnote Class A Common Stock 13061 I See footnote Class A Common Stock 26004 I See footnote Class B Common Stock 2022-12-13 4 C 0 0 0.00 D Class A Common Stock 0 0 I See footnotes Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date. Represents 554,079 shares converted from Class B Common Stock to Class A Common Stock by Bessemer Venture Partners IX L.P. ("BVP IX"), 443,902 shares converted from Class B Common Stock to Class A Common Stock by Bessemer Venture Partners IX Institutional L.P. ("BVP IX Inst"), and 9,179 shares converted from Class B Common Stock to Class A Common Stock by 15 Angels III LLC. ("15 Angels" and together with BVP IX and BVP IX Inst, the "BVP IX Funds"). The Reporting Person is a director of Deer IX & Co. Ltd ("Deer IX Ltd."), which is the general partner of Deer IX & Co. L.P. ("Deer IX LP"), which is the general partner of each of 15 Angels III LLC ("15 Angels"), BVP IX Inst and BVP IX (collectively, the "Funds"). The Reporting Person disclaims beneficial ownership of the securities held by the Funds, except to the extent of his pecuniary interest, if any, in such securities by virtue of his interest in Deer IX Ltd. and Deer IX LP and his indirect limited partnership interest in the Funds. This report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities. On December 13, 2022 BVP IX, BVP IX Inst, and 15 Angels sold 554,079, 443,902, and 9,179 shares, respectively, of Class A Common Stock of ACV Auctions, Inc at a weighted average price per share of $9.00. These shares were sold in multiple transactions at prices ranging from $9.00 to $9.20, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. After the reported transaction, BVP IX, BVP IX Inst, and 15 Angels own 10,367,471 shares, 8,305,924 shares and 171,757 shares, respectively, of Class B Common Stock The shares are directly held by the Reporting Person. The shares are directly held by NB Group, LLC ("NB Group"). NB Group is controlled by the Reporting Person, and the Reporting Person disclaims beneficial ownership of the shares held by this entity, except to the extent of his pecuniary interest therein, if any. The shares are directly held by Cracktuxet II, LLC ("Cracktuxet II"). Cracktuxet II is controlled by the Reporting Person, and the Reporting Person disclaims beneficial ownership of the shares held by this entity, except to the extent of his pecuniary interest therein, if any. The shares are directly held by Katama Point LLC ("Katama"). Katama is controlled by the Reporting Person, and the Reporting Person disclaims beneficial ownership of the shares held by this entity, except to the extent of his pecuniary interest therein, if any. /s/ Robert P. Goodman 2022-12-15