William F Ziebell sold $6.7M of AJG stock

William F Ziebell, Vice President of Arthur J. Gallagher & Co. (AJG), sold 23,510 shares of AJG stock worth $6.7M, per an SEC Form 4 filed Nov 5, 2026.

The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.

The trade happened on Nov 4, 2026, 1 day before it was made public.

AJG has moved -3.8% since the trade date, from $288.38 to $277.28 (Nov 12, 2026 close).