0000950170-24-029165.txt : 20240311 0000950170-24-029165.hdr.sgml : 20240311 20240311152705 ACCESSION NUMBER: 0000950170-24-029165 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240311 FILED AS OF DATE: 20240311 DATE AS OF CHANGE: 20240311 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MERCK SHARP & DOHME LLC CENTRAL INDEX KEY: 0000064978 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences STATE OF INCORPORATION: NJ FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38800 FILM NUMBER: 24737783 BUSINESS ADDRESS: STREET 1: ONE MERCK DR STREET 2: P O BOX 100 CITY: WHITEHOUSE STATION STATE: NJ ZIP: 08889-0100 BUSINESS PHONE: 9084231688 MAIL ADDRESS: STREET 1: ONE MERCK DR STREET 2: PO BOX 100 WS3AB-05 CITY: WHITEHOUSE STATION STATE: NJ ZIP: 08889-0100 FORMER NAME: FORMER CONFORMED NAME: MERCK SHARP & DOHME CORP. DATE OF NAME CHANGE: 20091103 FORMER NAME: FORMER CONFORMED NAME: MERCK & CO INC DATE OF NAME CHANGE: 19920703 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Merck & Co., Inc. CENTRAL INDEX KEY: 0000310158 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences STATE OF INCORPORATION: NJ FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38800 FILM NUMBER: 24737784 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 NAME: FORMER CONFORMED NAME: Merck & Co. Inc. DATE OF NAME CHANGE: 20091103 FORMER NAME: FORMER CONFORMED NAME: SCHERING PLOUGH CORP DATE OF NAME CHANGE: 19920703 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Harpoon Therapeutics, Inc. CENTRAL INDEX KEY: 0001708493 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 473458693 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 611 GATEWAY BOULEVARD, SUITE 400 CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 BUSINESS PHONE: (650) 443-7400 MAIL ADDRESS: STREET 1: 611 GATEWAY BOULEVARD, SUITE 400 CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 4 1 ownership.xml 4 X0508 4 2024-03-11 true 0001708493 Harpoon Therapeutics, Inc. HARP 0000310158 Merck & Co., Inc. 126 EAST LINCOLN AVENUE RAHWAY NJ 07065 false false true false 0000064978 MERCK SHARP & DOHME LLC 126 EAST LINCOLN AVENUE RAHWAY NJ 07065 false false true false false Common Stock, par value $0.0001 2024-03-11 4 P false 21397205 23.00 A 1000 I See Footnote Pursuant to the Agreement and Plan of Merger, dated as of January 7, 2024 by and among Merck Sharp & Dohme LLC, a wholly owned subsidiary of Merck & Co. Inc. ("Parent"), Hawaii Merger Sub, Inc., a wholly owned subsidiary of Merck Sharp & Dohme LLC ("Merger Sub"), and Harpoon Therapeutics, Inc. ("Harpoon"), Merger Sub merged with and into Harpoon (the "Merger") on March 11, 2024. Upon completion of the Merger, each share of common stock of Harpoon that was issued and outstanding immediately prior to the effective time of the Merger was cancelled, and each share of common stock of Merger Sub was converted into one share of common stock of the surviving corporation. (Continued from footnote 1) Consequently, upon the consummation of the Merger on March 11, 2024, Parent became the direct beneficial owner of 1,000 shares of common stock of the surviving corporation, representing 100% of the issued and outstanding shares of common stock of the surviving corporation. Merck & Co., Inc. is the indirect beneficial owner of such shares. /s/ Kelly E.W. Grez, Kelly E.W. Grez, Corporate Secretary 2024-03-11 /s/ Anthony Wildasin, Anthony Wildasin, Assistant Secretary 2024-03-11