UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _____________________ Form 10-K _____________________ (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ______ to ______ Commission File No. 001-40235 Organon & Co. (Exact name of registrant as specified in its charter) Del ...