0001959173-23-003521.txt : 20230825 0001959173-23-003521.hdr.sgml : 20230825 20230825120240 ACCESSION NUMBER: 0001959173-23-003521 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230825 DATE AS OF CHANGE: 20230825 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Arthur J. Gallagher & Co. CENTRAL INDEX KEY: 0000354190 STANDARD INDUSTRIAL CLASSIFICATION: INSURANCE AGENTS BROKERS & SERVICES [6411] IRS NUMBER: 362151613 STATE OF INCORPORATION: IL FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-09761 FILM NUMBER: 231204797 BUSINESS ADDRESS: STREET 1: 2850 GOLF ROAD CITY: ROLLING MEADOWS STATE: IL ZIP: 60008-4050 BUSINESS PHONE: 630-773-3800 MAIL ADDRESS: STREET 1: 2850 GOLF ROAD CITY: ROLLING MEADOWS STATE: IL ZIP: 60008-4050 FORMER COMPANY: FORMER CONFORMED NAME: ARTHUR J. GALLAGHER & CO. DATE OF NAME CHANGE: 20190819 FORMER COMPANY: FORMER CONFORMED NAME: GALLAGHER ARTHUR J & CO DATE OF NAME CHANGE: 19920703 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Mead Christopher E CENTRAL INDEX KEY: 0001737644 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 2850 GOLF ROAD CITY: ROLLING MEADOWS STATE: IL ZIP: 60008 144 1 primary_doc.xml 144 0001737644 XXXXXXXX LIVE 0000354190 Arthur J. Gallagher & Co. 001-09761 2850 GOLF ROAD ROLLING MEADOWS IL 60008-4050 630-773-3800 Mead Christopher E Officer Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

3300 746262.30 215506000 08/25/2023 NYSE Common 08/25/2023 Option Granted -05/01/2017 Issuer N 3300 08/25/2023 Cash Y 08/25/2023 /s/ Gerardo Ibarra-Munoz, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Christopher E. Mead