Vishal Jain - 18 Feb 2025 Form 4 Insider Report for Arthur J. Gallagher & Co. (AJG)

Role: VICE PRESIDENT
Signature: /s/ Ryan Session, by power of attorney
Issuer symbol: AJG
Transactions as of: 18 Feb 2025
Net transactions value: +$178,199
Form type: 4
Filing time: 19 Feb 2025, 17:19:34 UTC
Previous filing: 01 May 2024
Next filing: 05 Mar 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AJG	Common Stock	Options Exercise	$481,032	+6,800	+14%	$70.74	54,433	18 Feb 2025	Direct
transaction	AJG	Common Stock	Tax liability	$302,833	-933	-1.7%	$324.58	53,500	18 Feb 2025	Direct
holding	AJG	Common Stock						368	18 Feb 2025	Gallagher 401(k) plan account

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	AJG	Non-qualified Stock Option	Options Exercise	$0	-6,800	-100%	$0.000000	0	18 Feb 2025	Common Stock	6,800	$70.74	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Grant date of 3/15/2018.
F2	One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.