Form 4 Filing for ACV Auctions Inc.

This filing details stock transactions by Peer Andrew, VP, Corporate Controller & CAO of ACV Auctions Inc. On April 1, 2026, Andrew Peer acquired 28,736 shares of Common Stock through a restricted stock unit (RSU) award that vests quarterly starting July 1, 2026. The RSUs are subject to continued service. Additionally, 696, 743, 1057, and 913 shares were disposed of to cover tax liabilities upon the vesting of previously granted time-based RSUs. These dispositions do not represent discretionary sales. Following these transactions, Peer Andrew directly owns 97,800 shares of ACV Auctions Inc. common stock.