Form4insider filings, from the source

SEC Form 4 · accession 0000354190-26-000175

Arthur J. Gallagher & Co. · AJG

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

Reporting owner
Michael Robert Pesch
Officer — Vice President
Period of report
Jul 1, 2026
Accepted (ET)
Jul 6, 2026 · 8:12 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000354190

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockJul 1, 2026M356$229.57A44,833D
Common Stockholding———59IBy Child
Common StockF1holding———12,505IBy Spouse's Trust
Common Stockholding———491IGallagher 401(k) plan account

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Notional Stock UnitsF2,F3,F4$0.00Jul 1, 2026M356D——Common Stock3566,135D
Phantom StockF5,F6—holding—————Common Stock49,54649,546D
Non-qualified Stock OptionF7$228.20holding————Mar 1, 2033Common Stock13,16713,167D
Non-qualified Stock OptionF8,F9$86.17holding————Mar 12, 2027Common Stock7,5207,520D
Non-qualified Stock OptionF9,F10$127.90holding————Mar 16, 2028Common Stock7,2557,255D
Non-qualified Stock OptionF9,F11$158.56holding————Mar 15, 2029Common Stock4,9004,900D
Non-qualified Stock OptionF9,F12$177.09holding————Mar 15, 2030Common Stock3,8233,823D

Explanation of responses

Remarks

This report discloses the distribution of notional stock units (representing compensation previously deferred by the reporting person in the Arthur J. Gallagher & Co. Supplemental Savings and Thrift Plan) in the form of Gallagher common stock. The timing of this distribution in July 2026 is in accordance with the terms of the Supplemental Savings and Thrift Plan and the reporting person's election at the time of deferral.