Aon PLC

AON·NYSE·$319.29Share Price as of 11/2·$68BMarket Cap as of 11/2

Financials

10-QQ3 ended 09/30/2610/28/26 10-QQ2 ended 06/30/2607/29/26 10-QQ1 ended 03/31/2605/01/26 10-KFY 202502/13/26 10-QQ3 ended 09/30/2510/31/25

Disclosures

8-KCurrent report10/28/26 8-KCurrent report09/22/26 8-KCurrent report09/17/26 8-KCurrent report09/11/26 8-KCurrent report08/31/26

Prospectuses and Registrations

FWPFree writing prospectus09/14/26 S-3ASRAutomatic shelf registration07/02/26 S-8Registration of securities for employees07/25/25 424B3Prospectus04/23/24 S-4/ARegistration (business combination, amended)04/19/24

Proxies

DEF 14ADefinitive proxy04/28/26 DEFA14AAdditional proxy materials04/28/26 DEF 14ADefinitive proxy04/28/25 DEFA14AAdditional proxy materials04/28/25 DEFA14AAdditional proxy materials05/21/24

Ownership

Form 4Insider transaction09/03/26 Form 3Initial insider ownership08/26/26 Form 4Insider transaction07/30/26 144Proposed sale of securities07/28/26 Form 4Insider transaction07/21/26

Other

CERTCEO/CFO certification09/18/26 ARSAnnual report to shareholders04/28/26 25-NSERemoval from listing02/17/26 25-NSERemoval from listing12/15/25 ARSAnnual report to shareholders04/28/25