Form4insider filings, from the source

Insider · CIK 0001737644

Christopher E Mead

Files at: AJG. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $900k · 1net −$900k
$10k$10k$100k$100k$1M$1MbuyssalesAug 18Aug 18Aug 18Aug 19Aug 19Aug 19Aug 20

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 19, 2026 SForm 4 →Aug 20, 7:12 pm EDTArthur J. Gallagher & Co.AJG3,500$257.03$899,58722,223−13.6%
Aug 19, 2026 MForm 4 →Aug 20, 7:12 pm EDTArthur J. Gallagher & Co.AJG3,500$86.17$301,59525,723—

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 19, 2026 MForm 4 →Aug 20, 7:12 pm EDTArthur J. Gallagher & Co.AJG3,500——7,590—