Arthur J. Gallagher & Co. (AJG) — Insider Trading Activity

Arthur J. Gallagher & Co. (AJG) has 294 insider transactions on record, including 5 open-market purchases and 36 sales by company executives and directors. The most recent transaction was filed on 2026-08-24 by Bay Walter D.. The largest single transaction was a sale of $ 12.85M by Bay Walter D..