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

Aug 22, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Arthur J. Gallagher & Co. (AJG)
CIK: 0000354190
Period of Report: 2025-08-20

Reporting Person: GALLAGHER THOMAS JOSEPH (President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-08-20	Common Stock	G	875	—	Disposed	308046.08	Direct
2025-08-20	Common Stock	G	375	—	Acquired	119175	Indirect
2025-08-21	Common Stock	G	30000	—	Disposed	32428	Indirect
2025-08-21	Common Stock	G	30000	—	Acquired	96709	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	62295	Indirect
Common Stock	418.7	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: The reporting person's spouse transferred these shares of common stock to an irrevocable trust for no consideration. The reporting person is trustee
of the trust, and the reporting person and his children are the sole beneficiaries of the trust. The reporting person remains the beneficial owner of the
securities held by the trust.