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

Feb 7, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Arthur J. Gallagher & Co. (AJG)
CIK: 0000354190
Period of Report: 2024-02-05

Reporting Person: Gallagher Patrick Murphy (Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-02-05	Common Stock	M	7400	$56.86	Acquired	41475.3047	Direct
2024-02-05	Common Stock	S	3757	$236.134	Disposed	37718.3047	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-02-05	Non-qualified Stock Option	$56.86	M	7400	Disposed	2024-03-16	Common Stock (7400)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	9552	Indirect
Common Stock	292.46	Indirect
Common Stock	7618	Indirect
Common Stock	81237	Indirect
Common Stock	53933	Indirect
Common Stock	18168	Indirect

Footnotes

F1: Shares held in trusts, for the benefit of the reporting person's children, of which his wife is sole trustee.

F2: Shares held in revocable trust of which the reporting person's spouse is sole Trustee and as to which he disclaims beneficial ownership.

F3: Shares held in trust for the benefit of the reporting person's children, of which he is a trustee.

F4: Shares held in trust for the benefit of the reporting person's children, of which he is a trustee.

F5: The price reported is an average weighted price. The shares were sold in multiple transactions at prices ranging from $236.13 to $236.16. 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.

F6: Grant date of 3/16/2017.

F7: One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.