Insider Transaction Report for O'Brien Matthew Coley

Matthew Coley, Chief Human Resources Officer at Builders FirstSource, Inc., acquired 7,406 restricted stock units on July 18, 2026. These units were granted under the company's 2026 Incentive Plan and vest in three equal increments on July 18 of 2027, 2028, and 2029. Each vested unit entitles the holder to one share of common stock. The acquisition is reported as a direct ownership transaction with a transaction price of $0.00 per share, and the post-transaction shares owned are 7,406. The filing is Form 4, signed by Alena Brenner via power of attorney.