Form 4 Filing for C4 Therapeutics, Inc. - Donna Roy Grogan

This filing details a transaction by Donna Roy Grogan, a director at C4 Therapeutics, Inc. On April 1, 2026, Grogan acquired 5,730 shares of the company's common stock at a price of $2.70 per share. This acquisition was made in lieu of cash compensation, as per the company's Non-Employee Director Compensation Policy. Following this transaction, Grogan now owns 71,512 shares of common stock. The transaction is marked as direct ownership.