0001959173-24-003678.txt : 20240517 0001959173-24-003678.hdr.sgml : 20240517 20240517151932 ACCESSION NUMBER: 0001959173-24-003678 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240517 DATE AS OF CHANGE: 20240517 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Arthur J. Gallagher & Co. CENTRAL INDEX KEY: 0000354190 STANDARD INDUSTRIAL CLASSIFICATION: INSURANCE AGENTS BROKERS & SERVICES [6411] ORGANIZATION NAME: 02 Finance IRS NUMBER: 362151613 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-09761 FILM NUMBER: 24959234 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: HOWELL DOUGLAS K CENTRAL INDEX KEY: 0001222374 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: ARTHUR J. GALLAGHER & CO. STREET 2: TWO PIERCE PLACE CITY: ITASCA STATE: IL ZIP: 60143 144 1 primary_doc.xml 144 0001222374 XXXXXXXX LIVE 0000354190 Arthur J. Gallagher & Co. 001-09761 2850 GOLF ROAD ROLLING MEADOWS IL 60008-4050 630-773-3800 HOWELL DOUGLAS K Officer Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

5100 1310907.66 218500000 05/17/2024 NYSE Common 03/09/2022 Stock Option Exercise Issuer N 5100 03/09/2022 Cash N Douglas K. Howell

2850 Golf Road Rolling Meadows IL 60008

Common 05/10/2024 16000 3974584.02 05/17/2024 /S/ Adam Gehring, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Douglas K. Howell