Officer Share Disposal

Michael Waterman, Chief Sales Officer at ACV Auctions Inc., disposed of 21,567 shares of Common Stock on July 1, 2026. The shares were withheld by the issuer to cover tax liabilities upon the vesting of restricted stock units. The disposal occurred at a price of $7.29 per share. Following these transactions, Waterman directly owns 805,683 shares. An additional 1,822 shares were acquired through the company's Employee Stock Purchase Plan.