Arthur J. Gallagher & Co.

AJG·NYSE·$203.96Share Price as of 11/2·$52BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/05/26 10-QQ1 ended 03/31/2605/07/26 10-KFY 202502/17/26 10-QQ3 ended 09/30/2511/10/25 10-QQ2 ended 06/30/2508/01/25

Disclosures

8-KCurrent report10/29/26 8-KCurrent report08/27/26 8-KCurrent report07/30/26 8-KCurrent report07/29/26 8-KCurrent report06/17/26

Prospectuses and Registrations

S-8Registration of securities for employees02/18/25 424B2Prospectus for primary offering12/11/24 FWPFree writing prospectus12/11/24 424B2Prospectus for primary offering12/10/24 424B2Prospectus for primary offering12/09/24

Proxies

DEFA14AAdditional proxy materials04/03/26 DEF 14ADefinitive proxy03/23/26 DEFA14AAdditional proxy materials03/23/26 DEF 14ADefinitive proxy03/24/25 DEFA14AAdditional proxy materials03/24/25

Ownership

3/AInitial insider ownership (amended)10/08/26 Form 3Initial insider ownership10/01/26 Form 4Insider transaction09/17/26 144Proposed sale of securities09/15/26 144Proposed sale of securities09/15/26

Other

N-PXAnnual report of proxy voting record08/12/26 ARSAnnual report to shareholders03/23/26 ARSAnnual report to shareholders03/24/25 UPLOADLetter from the SEC09/16/24 N-PXAnnual report of proxy voting record08/29/24