Richard C. Cary - May 16, 2024 Form 4 Insider Report for Arthur J. Gallagher & Co. (AJG)

Role: Controller, CAO
Signature: /s/ Ryan Session, by power of attorney
Stock symbol: AJG
Transactions as of: May 16, 2024
Transactions value $: -$527,282
Form type: 4
Date filed: 5/20/2024, 08:50 PM
Previous filing: Mar 18, 2024
Next filing: Feb 12, 2025

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AJG	Common Stock	Options Exercise	$79.5K	+999	+2.61%	$79.59	39.3K	May 16, 2024	Direct
transaction	AJG	Common Stock	Options Exercise	$105K	+1.22K	+3.1%	$86.17	40.5K	May 16, 2024	Direct
transaction	AJG	Common Stock	Options Exercise	$150K	+1.18K	+2.9%	$127.90	41.7K	May 16, 2024	Direct
transaction	AJG	Common Stock	Sale	-$862K	-3.4K	-8.14%	$254.00	38.3K	May 16, 2024	Direct
holding	AJG	Common Stock						368	May 16, 2024	Gallagher 401(k) plan account

Showing 1 to 5 of 5 entries

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	-999	-100%	$0.00^*	0	May 16, 2024	Common Stock	999	$79.59	Direct	F1
transaction	AJG	Non-qualified Stock Option	Options Exercise	$0	-1.22K	-50.02%	$0.00	1.22K	May 16, 2024	Common Stock	1.22K	$86.17	Direct	F1
transaction	AJG	Non-qualified Stock Option	Options Exercise	$0	-1.18K	-33.36%	$0.00	2.35K	May 16, 2024	Common Stock	1.18K	$127.90	Direct	F1

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

Explanation of Responses:

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