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

Feb 14, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Arthur J. Gallagher & Co. (AJG)
CIK: 0000354190
Period of Report: 2025-02-13

Reporting Person: GALLAGHER J PATRICK JR (Director, CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-02-13	Common Stock	M	41400	$70.74	Acquired	188345.3058	Direct
2025-02-13	Common Stock	F	22923	$327.99	Disposed	165422.3058	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-02-13	Non-qualified Stock Option	$70.74	M	41400	Disposed	2025-03-15	Common Stock (41400)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	23448	Indirect
Common Stock	255965	Indirect
Common Stock	66703	Indirect
Common Stock	271525	Indirect
Common Stock	219655	Indirect
Common Stock	367.554	Indirect

Footnotes

F1: Shares held in trust for the benefit of my children of which I am sole Trustee.

F2: Shares held in revocable trust of which my spouse is sole Trustee and as to which I disclaim beneficial ownership.

F3: Held in trust for benefit of children.

F4: One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.