X0508 4 2025-11-13 0 0001821825 Organon & Co. OGN 0001859805 Morrissey Joseph T. Jr. C/O ORGANON & CO. 30 HUDSON STREET, FLOOR 33 JERSEY CITY NJ 07302 0 1 0 0 Interim CEO 0 Restricted Stock Units 2025-11-13 4 A 0 131233 0 A Common Stock 131233 131233 D Each Restricted Stock Unit ("RSU") converts into one share of Organon & Co. ("Organon") common stock. The Reporting Person was granted RSUs on November 13, 2025 (which was the close of business on the third business day following the release of Organon's earnings for the quarter ended September 30, 2025, on November 10, 2025). These RSUs vest and become exercisable in three equal installments on November 13, 2026, November 13, 2027, and November 13, 2028. Exhibit 24 - Power of Attorney /s/ Faye C. Brown, as Attorney-in-Fact for Joseph T. Morrissey, Jr. 2025-11-17