Form4insider filings, from the source

SEC Form 4 · accession 0000354190-26-000205

Arthur J. Gallagher & Co. · AJG

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

Reporting owner
J Patrick Gallagher Jr.
Officer — CEO · Director
Period of report
Sep 8, 2026
Accepted (ET)
Sep 10, 2026 · 6:36 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000354190

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockSep 8, 2026G49,988$0.00D0IBy Corporation
Common StockF2holding———5,328IBy Spouse's Trust
Common Stockholding———128,448D
Common Stockholding———244,860IBy Irrevocable Trust
Common StockF3holding———302,764IBy Spouse
Common StockF4holding———219,955IBy Trust
Common Stockholding———491IGallagher 401(k) plan account

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Notional Stock UnitsF5,F6$0.00holding—————Common Stock153,788153,788D
Phantom StockF7,F8—holding—————Common Stock139,554139,554D
Non-qualified Stock OptionF9$127.90holding————Mar 16, 2028Common Stock76,97576,975D
Non-qualified Stock OptionF9$86.17holding————Mar 12, 2027Common Stock68,55068,550D
Non-qualified Stock OptionF10$228.20holding————Mar 1, 2033Common Stock48,44948,449D
Non-qualified Stock OptionF9$158.56holding————Mar 15, 2029Common Stock35,82535,825D
Non-qualified Stock OptionF9$337.74holding————Mar 1, 2032Common Stock22,72722,727D
Non-qualified Stock OptionF11$243.54holding————Mar 1, 2031Common Stock27,21027,210D
Non-qualified Stock OptionF12$177.09holding————Mar 15, 2030Common Stock30,02930,029D

Explanation of responses