0001950047-23-003024.txt : 20230814 0001950047-23-003024.hdr.sgml : 20230814 20230814161330 ACCESSION NUMBER: 0001950047-23-003024 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230814 DATE AS OF CHANGE: 20230814 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: 231170278 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: MIZELL STEVEN CENTRAL INDEX KEY: 0001189403 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 0001189403 XXXXXXXX LIVE 0000310158 MERCK & CO. INC. 001-06571 126 East Lincoln Avenue Rahway NJ 07065 908-740-4000 STEVEN C. MIZELL Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 38th Floor New York NY 10004

4250 463292.50 2537521169 08/14/2023 NYSE Common 10/30/2021 Restricted stock vesting under a registered plan Issuer N 992 10/30/2021 Not Applicable Common 02/24/2022 Restricted stock vesting under a registered plan Issuer N 3258 02/24/2022 Not Applicable N Steven Mizell

126 East Lincoln Avenue Rahway NJ 07065

Common 08/03/2023 4500 474555.00 08/14/2023 /s/ Steven Craig Mizell