SEC Filing Summary for Thomas Joseph Gallagher

This filing details transactions made by Thomas Joseph Gallagher, President of Arthur J. Gallagher & Co. On March 15, 2026, Gallagher acquired 9560 shares of restricted Common Stock which were subsequently disposed of on the same day. He also acquired 9560 shares of Common Stock. Additionally, 4068 shares of Common Stock were disposed of at a price of $207.93 per share. The filing also lists various holdings of Common Stock under different ownership natures including trusts for his children and wife, his 401(k) plan, and retained annuity trusts. Derivative holdings include non-qualified stock options and phantom stock units with varying exercise prices and expiration dates, some subject to vesting schedules and post-service distribution terms. The report is signed by Monica Norzagaray under power of attorney.