0001964306-24-000144.txt : 20240306 0001964306-24-000144.hdr.sgml : 20240306 20240306164011 ACCESSION NUMBER: 0001964306-24-000144 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240306 DATE AS OF CHANGE: 20240306 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Y-mAbs Therapeutics, Inc. CENTRAL INDEX KEY: 0001722964 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 474619612 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-38650 FILM NUMBER: 24726532 BUSINESS ADDRESS: STREET 1: 230 PARK AVENUE STREET 2: SUITE 3350 CITY: NEW YORK STATE: NY ZIP: 10169 BUSINESS PHONE: 212-847-9841 MAIL ADDRESS: STREET 1: 230 PARK AVENUE STREET 2: SUITE 3350 CITY: NEW YORK STATE: NY ZIP: 10169 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Rajah Vignesh CENTRAL INDEX KEY: 0001815042 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: HENRIKSHOJ 8 STREET 2: ROOM 4 CITY: VEDBAEK STATE: G7 ZIP: DK-2950 144 1 primary_doc.xml 144 0001815042 XXXXXXXX LIVE 0001722964 Y-mAbs Therapeutics, Inc. 001-38650 230 PARK AVENUE SUITE 3350 NEW YORK NY 10169 212-847-9841 Rajah Vignesh Officer Common Stock Merrill Lynch

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1711 28279.05 43777105 03/05/2024 NASDAQ Common Stock 01/17/2024 Vesting of restricted stock unit award Y-mAbs Therapeutics, Inc. N 1711 01/17/2024 Granted as part of issuer equity compensation plan Y 03/05/2024 Vignesh Rajah