ACV Auctions Director Kirsten Castillo Receives 27,500 RSUs at $0 Price

This Form 4 filing reports that Kirsten Castillo, a director of ACV Auctions Inc., received 27,500 restricted stock units (RSUs) on May 27, 2026, at a price of $0 per share. The RSUs represent an equity award that will vest on the first anniversary of the grant date or, if sooner, the day immediately preceding the next Annual Meeting. Following this transaction, Castillo's total holdings in ACV Auctions common stock increased to 66,607 shares. The filing notes that the company's Class A Common Stock is now referred to as Common Stock following changes to the articles of incorporation in 2025, with no change to stock rights. This transaction represents a standard equity compensation award to a company director.