Form4insider filings, from the source

Insider · CIK 0001410235

Walter D. Bay

Files at: AJG. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $3.2M · 1net −$3.2M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesMar 28Apr 27May 28Jun 28Jul 28Aug 28Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 24, 2026 SForm 4 →Aug 26, 7:34 pm EDTArthur J. Gallagher & Co.AJG12,000$270.08$3,240,97271,292−14.4%

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.