David S. Johnson - 16 May 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: 16 May 2025
Net transactions value: -$342,038
Form type: 4
Filing time: 20 May 2025, 17:10:10 UTC
Previous filing: 15 May 2025
Next filing: 04 Jun 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
JOHNSON DAVID S	Director	2850 GOLF ROAD, ROLLING MEADOWS	/s/ Monica Norzagaray, by power of attorney	20 May 2025	0001192476

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AJG	Common Stock	Sale	$342,038	-1,000	-2.2%	$342.04	45,323	16 May 2025	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The price reported is an average weighted price. The shares were sold in multiple transactions on 5/16/2025 at prices ranging from $342.000 to $342.065. The reporting person will provide to the Securities and Exchange Commission staff, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the footnotes to this Form 4.

Content

The price reported is an average weighted price. The shares were sold in multiple transactions on 5/16/2025 at prices ranging from $342.000 to $342.065. The reporting person will provide to the Securities and Exchange Commission staff, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the footnotes to this Form 4.