Insider Transaction Report for Thomas B. Cusick

This report details insider transactions for Thomas B. Cusick, a director at BARRETT BUSINESS SERVICES INC (BBSI). On July 1, 2026, Mr. Cusick acquired 2,344 shares of Common Stock with a post-transaction share count of 30,120. The report also includes transactions involving Restricted Stock Units (RSUs). Specifically, 2,344 RSUs were disposed of, with each RSU representing a contingent right to one share of common stock. Additionally, 2,782 RSUs were acquired. These RSUs are set to vest and be settled with unrestricted shares of common stock on July 1, 2026, and July 1, 2027, respectively. All transactions were reported on a Form 4 and were executed at a price of $0.00.