Arthur J. Gallagher & Co. — Director's Dealing 2024

May 20, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Arthur J. Gallagher & Co. (AJG)
CIK: 0000354190
Period of Report: 2024-05-16

Reporting Person: CARY RICHARD C (Controller, CAO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-05-16	Common Stock	M	999	$79.59	Acquired	39312.75	Direct
2024-05-16	Common Stock	M	1220	$86.17	Acquired	40532.75	Direct
2024-05-16	Common Stock	M	1176	$127.90	Acquired	41708.75	Direct
2024-05-16	Common Stock	S	3395	$254.00	Disposed	38313.75	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-05-16	Non-qualified Stock Option	$79.59	M	999	Disposed	2026-03-14	Common Stock (999)	Direct
2024-05-16	Non-qualified Stock Option	$86.17	M	1220	Disposed	2027-03-12	Common Stock (1220)	Direct
2024-05-16	Non-qualified Stock Option	$127.90	M	1176	Disposed	2028-03-16	Common Stock (1176)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	367.582	Indirect

Footnotes

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