Arthur J. Gallagher & Co. 8-K

What Happened Arthur J. Gallagher & Co. (AJG) filed an 8-K reporting that director Sherry Barrat informed the company on March 6, 2026 that she has decided to retire from the Board of Directors. Her retirement will be effective on May 12, 2026 upon the election of directors at the 2026 Annual Meeting of Stockholders; she will not stand for reelection. The filing states her decision is not related to any disagreement with the company on operations, policies, or practices.

Key Details

• Sherry Barrat provided notice of retirement on March 6, 2026.
• Retirement effective May 12, 2026, coinciding with the 2026 Annual Meeting of Stockholders.
• Ms. Barrat will not seek reelection at the 2026 Annual Meeting.
• The Board size will be reduced from 10 members to 9 members effective at the conclusion of the 2026 Annual Meeting.

Why It Matters This is a governance-level change that reduces AJG’s board size and removes an experienced director. For investors, the filing signals a planned, non-disruptive board transition (the company notes no disagreement). Monitor upcoming proxy materials and the annual meeting for any information about board nominations or changes to committee assignments that could follow this retirement.