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: HOWELL DOUGLAS K (VP & Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-03-16	Common Stock (restricted)	A	11368	—	Acquired	14218	Direct
2024-03-16	Common Stock (restricted)	M	5684	—	Disposed	8534	Direct
2024-03-16	Common Stock	M	5684	—	Acquired	94230.5662	Direct
2024-03-16	Common Stock (restricted)	M	5684	$253.17	Disposed	2850	Direct
2024-03-16	Common Stock	F	1959	$253.17	Disposed	88546.5662	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-03-16	Notional Stock Units	$0	M	5684	Acquired		Common Stock (5684)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3165	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 reporting person has no voting or invesment power over these shares and disclaims beneficial ownership.

F3: Each notional stock unit represents a right to receive one share of Gallagher common stock.

F4: Portions of these notional stock units are payable to the reporting person in shares of common stock in July of 2025, 2026 and 2027 and following the reporting person's separation from service.