0001950047-24-000610.txt : 20240202 0001950047-24-000610.hdr.sgml : 20240202 20240202160901 ACCESSION NUMBER: 0001950047-24-000610 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240202 DATE AS OF CHANGE: 20240202 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Merck & Co., Inc. CENTRAL INDEX KEY: 0000310158 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 221918501 STATE OF INCORPORATION: NJ FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-06571 FILM NUMBER: 24591446 BUSINESS ADDRESS: STREET 1: 2000 GALLOPING HILL ROAD CITY: KENILWORTH STATE: NJ ZIP: 07033 BUSINESS PHONE: 908-740-4000 MAIL ADDRESS: STREET 1: 2000 GALLOPING HILL ROAD CITY: KENILWORTH STATE: NJ ZIP: 07033 FORMER COMPANY: FORMER CONFORMED NAME: Merck & Co. Inc. DATE OF NAME CHANGE: 20091103 FORMER COMPANY: FORMER CONFORMED NAME: SCHERING PLOUGH CORP DATE OF NAME CHANGE: 19920703 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Zachary Jennifer CENTRAL INDEX KEY: 0001737231 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 2000 GALLOPING HILL ROAD CITY: KENILWORTH STATE: NJ ZIP: 07033 144 1 primary_doc.xml 144 0001737231 XXXXXXXX LIVE 0000310158 MERCK & CO. INC. 001-06571 126 East Lincoln Avenue Rahway NJ 07065 908-740-4000 JENNIFER ZACHARY Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 38th Floor New York NY 10004

49499 6284779.13 2534023084 02/02/2024 NYSE Common 01/23/2023 Restricted stock vesting under a registered plan Issuer N 1235 01/23/2023 Not Applicable Common 10/12/2022 Restricted stock vesting under a registered plan Issuer N 410 10/12/2022 Not Applicable Common 01/10/2023 Restricted stock vesting under a registered plan Issuer N 248 01/10/2023 Not Applicable Common 07/13/2022 Restricted stock vesting under a registered plan Issuer N 394 02/02/2024 Not Applicable Common 01/23/2023 Restricted stock vesting under a registered plan Issuer N 14396 01/23/2023 Not Applicable Common 02/02/2024 Exercise of options under a registered plan Issuer N 19417 02/02/2024 Cash Common 02/26/2021 Restricted stock vesting under a registered plan Issuer N 13399 02/26/2021 Not Applicable Y 02/02/2024 /s/ Jennifer Zachary