Marsh & Mclennan Companies, Inc.

MRSH·NYSE·$161.97Share Price as of 11/2·$78BMarket Cap as of 11/2

Financials

10-QQ3 ended 09/30/2610/15/26 10-QQ2 ended 06/30/2607/21/26 10-QQ1 ended 03/31/2604/16/26 10-KFY 202502/09/26 10-QQ3 ended 09/30/2510/16/25

Disclosures

8-KCurrent report10/27/26 8-KCurrent report10/15/26 8-KCurrent report07/21/26 8-KCurrent report06/04/26 8-KCurrent report05/22/26

Prospectuses and Registrations

424B2Prospectus for primary offering10/22/26 FWPFree writing prospectus10/20/26 424B2Prospectus for primary offering10/19/26 424B2Prospectus for primary offering02/13/26 424B2Prospectus for primary offering02/11/26

Proxies

DEF 14ADefinitive proxy03/31/26 DEFA14AAdditional proxy materials03/31/26 PX14A6GLetter to shareholders04/09/25 DEF 14ADefinitive proxy03/28/25 DEFA14AAdditional proxy materials03/28/25

Ownership

Form 4Insider transaction10/26/26 Form 4Insider transaction10/26/26 144Proposed sale of securities10/23/26 144Proposed sale of securities10/23/26 Form 4Insider transaction09/03/26

Other

CERTCEO/CFO certification10/28/26 8-A12B8-A12B10/27/26 25-NSERemoval from listing09/21/26 11-KEmployee stock purchase plan report06/22/26 11-KEmployee stock purchase plan report06/22/26