0001959173-23-003971.txt : 20230915 0001959173-23-003971.hdr.sgml : 20230915 20230915163107 ACCESSION NUMBER: 0001959173-23-003971 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230915 DATE AS OF CHANGE: 20230915 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: 231259163 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: JOHNSON DAVID S CENTRAL INDEX KEY: 0001192476 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O ARTHUR J. GALLAGHER & CO. STREET 2: TWO PIERCE PLACE CITY: ITASCA STATE: IL ZIP: 60143 144 1 primary_doc.xml 144 0001192476 XXXXXXXX LIVE 0000354190 Arthur J. Gallagher & Co. 001-09761 2850 GOLF ROAD ROLLING MEADOWS IL 60008-4050 630-773-3800 JOHNSON DAVID S Director Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

1000 230145.00 215506000 09/15/2023 NYSE Common 05/30/2014 Stock Option Exercise Issuer N 1000 05/30/2014 Cash N David S. Johnson

2850 Golf Road Rolling Meadows IL 60008

Common 06/16/2023 1000 216400.00 09/15/2023 /S/ Adam Gehring, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for David S. Johnson