SEC Filing Summary

Douglas K. Howell, VP & Chief Financial Officer of Arthur J. Gallagher & Co., reported several transactions on March 13 and 15, 2026. These include the acquisition of 14,100 Common Stock shares for $79.59 each and the disposal of 8,638 shares for $207.93 each. Additionally, Howell acquired and disposed of 9,082 restricted Common Stock shares with no transaction price, and acquired another 9,082 Common Stock shares. The filing also details various derivative transactions, including the disposal of 14,100 non-qualified stock options. Post-transaction, Howell holds 110,130.7558 shares of Common Stock. The filing also notes indirect holdings, including 3,165 shares held by spouse and 491.131 shares in a 401(k) plan.