Arthur J. Gallagher & Co. — Director's Dealing 2025

Feb 7, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Arthur J. Gallagher & Co. (AJG)
CIK: 0000354190
Period of Report: 2025-02-05

Reporting Person: GALLAGHER THOMAS JOSEPH (President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-02-05	Common Stock	M	14800	$70.74	Acquired	343059.045	Direct
2025-02-05	Common Stock	F	7981	$314.925	Disposed	335078.045	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-02-05	Non-qualified Stock Option	$70.74	M	14800	Disposed	2025-03-15	Common Stock (14800)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	62295	Indirect
Common Stock	66709	Indirect
Common Stock	32428	Indirect
Common Stock	118440	Indirect
Common Stock	367.552	Indirect

Footnotes

F1: The reporting person disclaims beneficial ownership of these shares, and this report shall not be deemed an admission that the reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

F2: These shares are held in trusts, for the benefit of the reporting person's children, of which his wife is a trustee.

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