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

Mar 19, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Arthur J. Gallagher & Co. (AJG)
CIK: 0000354190
Period of Report: 2024-03-16

Reporting Person: Cavaness Joel D (Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-03-16	Common Stock (restricted)	A	7178	—	Acquired	7178	Direct
2024-03-16	Common Stock (restricted)	M	7178	—	Disposed	0	Direct
2024-03-16	Common Stock	M	7178	—	Acquired	162285.999	Direct
2024-03-16	Common Stock	F	2572	$253.17	Disposed	159713.999	Direct
2024-03-18	Common Stock	M	366	$79.59	Acquired	2388.63	Indirect
2024-03-18	Common Stock	M	437	$86.17	Acquired	2825.63	Indirect
2024-03-18	Common Stock	M	404	$127.90	Acquired	3229.63	Indirect
2024-03-18	Common Stock	S	1207	$255.20	Disposed	2022.63	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-03-18	Non-qualified Stock Option	$79.59	M	366	Disposed	2026-03-14	Common Stock (366)	Direct
2024-03-18	Non-qualified Stock Option	$86.17	M	437	Disposed	2027-03-12	Common Stock (437)	Direct
2024-03-18	Non-qualified Stock Option	$127.90	M	404	Disposed	2028-03-16	Common Stock (404)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock (restricted)	700	Indirect
Common Stock	367.575	Indirect

Footnotes

F1: Performance share units (awarded on March 16, 2021) earned and vested as of March 16, 2024.

F2: The price reported is an average weighted price. The shares were sold in multiple transactions at prices ranging from $255.14 to $255.24. The reporting person will provide to the Securities and Exchange Commission staff, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3: One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.