Form 3 Filing for Shannon Fitzgerald Buffum

This filing details the ownership of Booz Allen Hamilton Holding Corp (BAH) by Shannon Fitzgerald Buffum, an Executive Vice President. As of May 20, 2026, Mr. Buffum directly owns 3,187 shares of Class A Common Stock. The filing also discloses stock options and restricted stock units. A Power of Attorney document is included, appointing attorneys-in-fact to execute Section 16 filings on behalf of Mr. Buffum. The Power of Attorney remains effective until Mr. Buffum is no longer required to file such forms.