Form 4 Filing for ACV Auctions Inc.

This filing details stock transactions by Andrew Peer, VP, Corporate Controller & CAO of ACV Auctions Inc. On October 1, 2026, Peer disposed of a total of 8395 shares of common stock. These disposals were primarily to cover tax liabilities upon the vesting of restricted stock units, as indicated by footnote F1. A portion of the shares, 149, were acquired through the company's ESPP. The transactions occurred at a price of $10.45 per share, resulting in post-transaction ownership of 186,478 shares. The filing is a Form 4, indicating changes in beneficial ownership.