THOMAS JOSEPH GALLAGHER - 31 Jul 2025 Form 4 Insider Report for Arthur J. Gallagher & Co. (AJG)

Role
President
Signature
/s/ Monica Norzagaray, by power of attorney
Issuer symbol
AJG
Transactions as of
31 Jul 2025
Net transactions value
$0
Form type
4
Filing time
04 Aug 2025, 18:49:38 UTC
Previous filing
20 May 2025
Next filing
22 Aug 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
GALLAGHER THOMAS JOSEPH President 2850 GOLF ROAD, ROLLING MEADOWS /s/ Monica Norzagaray, by power of attorney 04 Aug 2025 0001589933

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AJG Common Stock Options Exercise $0 +1,376 +0.45% $0.000000 308,921 31 Jul 2025 Direct
holding AJG Common Stock 62,295 31 Jul 2025 By grantor retained annuity trust
holding AJG Common Stock 66,709 31 Jul 2025 By Irrevocable Trust
holding AJG Common Stock 62,428 31 Jul 2025 By wife
holding AJG Common Stock 118,800 31 Jul 2025 By wife as trustee F1, F2
holding AJG Common Stock 419 31 Jul 2025 Gallagher 401(k) plan account

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction AJG Notional Stock Units Options Exercise $0 -1,376 -12% $0.000000 10,233 31 Jul 2025 Common Stock 1,376 $0.000000 Direct F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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 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 and 2026 and following the reporting person's separation from service.

Remarks:

This report discloses the distribution of notional stock units (representing compensation previously deferred by the reporting person in the Arthur J. Gallagher & Co. Supplemental Savings and Thrift Plan) in the form of Gallagher common stock. The timing of this distribution in July 2025 is in accordance with the terms of the Supplemental Savings and Thrift Plan and the reporting person's election at the time of deferral.