Form4insider filings, from the source

SEC Form 4 · accession 0000354190-26-000187

Arthur J. Gallagher & Co. · AJG

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Patrick Murphy Gallagher
Officer — Chief Operating Officer
Period of report
Aug 5, 2026
Accepted (ET)
Aug 7, 2026 · 5:47 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000354190

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockF2Aug 5, 2026G23,800$0.00D53,262IBy Spouse's Trust
Common StockF3holding———11,264IBy Spouse as Trustee
Common Stockholding———14,170D
Common Stockholding———491IGallagher 401(k) plan account
Common Stockholding———98,105IBy Trust
Common StockF4holding———21,032IBy Trust
Common Stockholding———55,109IBy Irrevocable Trust

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Non-qualified Stock OptionF5$228.20holding————Mar 1, 2033Common Stock17,77517,775D
Phantom StockF6,F7—holding—————Common Stock17,73117,731D
Non-qualified Stock OptionF8,F9$337.74holding————Mar 1, 2032Common Stock11,90111,901D
Non-qualified Stock OptionF10$243.54holding————Mar 1, 2031Common Stock11,38611,386D
Non-qualified Stock OptionF9,F11$127.90holding————Mar 16, 2028Common Stock7,2557,255D
Non-qualified Stock OptionF9,F12$86.17holding————Mar 12, 2027Common Stock6,2706,270D
Non-qualified Stock OptionF13$177.09holding————Mar 15, 2030Common Stock6,1606,160D
Non-qualified Stock OptionF9,F14$158.56holding————Mar 15, 2029Common Stock5,5105,510D
Phantom StockF6,F15—holding—————Common Stock3,8053,805D
Notional Stock UnitsF16,F17,F18—holding—————Common Stock2,3522,352D

Explanation of responses