Christopher C. Miskel - 01 Dec 2025 Form 4 Insider Report for Arthur J. Gallagher & Co. (AJG)

Role: Director
Signature: /s/ Monica Norzagaray, by power of attorney
Issuer symbol: AJG
Transactions as of: 01 Dec 2025
Net transactions value: +$40,000
Form type: 4
Filing time: 03 Dec 2025, 19:23:13 UTC
Previous filing: 03 Sep 2025
Next filing: 02 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Miskel Christopher C.	Director	2850 GOLF ROAD, ROLLING MEADOWS	/s/ Monica Norzagaray, by power of attorney	03 Dec 2025	0001804681

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AJG	Common Stock	Award	$40,000	+163	+1.8%	$246.10	9,111	01 Dec 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This acquisition resulted from the reporting person's election in a prior year (pursuant to the Company's Director Deferral Plan) to defer the reporting person's annual cash retainer, which the Company pays on a quarterly basis, into deferred share units that will be distributed in the form of the Company's common stock.

Remarks:

Exhibit List: Ex-24: Power of Attorney.