Organon & Co.

OGN·NYSE·$13.41Share Price as of 11/2·$4BMarket Cap as of 11/2

Financials

10-QQ3 ended 09/30/2610/30/26 10-QQ2 ended 06/30/2607/31/26 10-QQ1 ended 03/31/2605/04/26 10-KFY 202502/24/26 10-K/AFY 202411/10/25

Disclosures

8-KCurrent report10/30/26 8-KCurrent report07/31/26 8-KCurrent report07/23/26 8-KCurrent report07/17/26 8-KCurrent report06/11/26

Prospectuses and Registrations

S-8Registration of securities for employees06/13/25 S-8Registration of securities for employees06/03/21

Proxies

DEFA14AAdditional proxy materials07/17/26 DEFM14ADefinitive proxy (merger)06/17/26 DEFA14AAdditional proxy materials06/11/26 PREM14APreliminary proxy (merger)06/01/26 DEFA14AAdditional proxy materials04/30/26

Ownership

SC 13GBeneficial ownership08/14/26 Form 4Insider transaction08/12/26 144Proposed sale of securities08/05/26 Form 4Insider transaction08/05/26 SC 13G/ABeneficial ownership (amended)07/31/26

Other

SDConflict Minerals disclosure05/29/26 ARSAnnual report to shareholders04/24/26 SDConflict Minerals disclosure06/02/25 ARSAnnual report to shareholders04/25/25 UPLOADLetter from the SEC06/25/24