0001950047-23-004857.txt : 20231109 0001950047-23-004857.hdr.sgml : 20231109 20231109170552 ACCESSION NUMBER: 0001950047-23-004857 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20231109 DATE AS OF CHANGE: 20231109 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Merck & Co., Inc. CENTRAL INDEX KEY: 0000310158 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] 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: 231393642 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: Oosthuizen Johannes Jacobus CENTRAL INDEX KEY: 0001916310 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 2000 GALLOPING HILL RD CITY: KENILWORTH STATE: NJ ZIP: 07033 144 1 primary_doc.xml 144 0001916310 XXXXXXXX LIVE 0000310158 MERCK & CO. INC. 001-06571 126 East Lincoln Avenue Rahway NJ 07065 908-740-4000 JOHANNES JACOBUS OOSTHUIZEN Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 38th Floor New York NY 10004

2081 213061.31 2534023084 11/09/2023 NYSE Common 02/24/2022 Restricted stock vesting under a registered plan Issuer N 790 02/24/2022 Not Applicable Common 05/01/2022 Restricted stock vesting under a registered plan Issuer N 439 05/01/2022 Not Applicable Common 05/03/2022 Restricted stock vesting under a registered plan Issuer N 392 05/03/2022 Not Applicable Common 05/04/2022 Restricted stock vesting under a registered plan Issuer N 460 05/04/2022 Not Applicable Y 11/09/2023 /s/ Johannes J Oosthuizen