Christopher E. Mead - Feb 3, 2025 Form 4 Insider Report for Arthur J. Gallagher & Co. (AJG)

Role: VICE PRESIDENT
Signature: /s/ Ryan Session, by power of attorney
Stock symbol: AJG
Transactions as of: Feb 3, 2025
Transactions value $: -$672,423
Form type: 4
Date filed: 2/5/2025, 05:23 PM
Previous filing: Oct 30, 2024
Next filing: Mar 5, 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	$205K	+2.9K	+19.76%	$70.74	17.6K	Feb 3, 2025	Direct
transaction	AJG	Common Stock	Sale	-$878K	-2.9K	-16.5%	$302.61	14.7K	Feb 3, 2025	Direct
holding	AJG	Common Stock						368	Feb 3, 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	-2.9K	-100%	$0.00	0	Feb 3, 2025	Common Stock	2.9K	$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	Granted on March 15, 2018.
F2	One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.