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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
354190	Arthur J. Gallagher & Co.	AJG	()	4

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1185998	C Richard Cary	2850 Golf Road Rolling Meadows IL 60008-4002	Controller, Cao	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2024-08-13	125	$0.00	38,439	No	5	W	Direct
Common Stock	Disposition	2025-02-10	1,400	$321.03	78,374	No	4	S	Direct
Common Stock	Disposition	2025-02-10	2,270	$321.91	76,104	No	4	S	Direct
Common Stock	Disposition	2025-02-10	1,907	$322.95	74,197	No	4	S	Direct
Common Stock	Disposition	2025-02-10	3,923	$324.12	70,274	No	4	S	Direct
Common Stock	Disposition	2025-02-10	500	$324.63	69,774	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	5	W	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	368	Indirect	Gallagher 401(k) plan account

Footnotes

The price reported is an average weighted price. The shares were sold in multiple transactions on 2/10/2025 at prices ranging from $320.54 to $321.53.
The price reported is an average weighted price. The shares were sold in multiple transactions on 2/10/2025 at prices ranging from $321.56 to $322.53.
The price reported is an average weighted price. The shares were sold in multiple transactions on 2/10/2025 at prices ranging from $322.56 to $323.51.
The price reported is an average weighted price. The shares were sold in multiple transactions on 2/10/2025 at prices ranging from $323.59 to $324.58.
The price reported is an average weighted price. The shares were sold in multiple transactions on 2/10/2025 at prices ranging from $324.59 to $324.76.