0001104659-21-035613.txt : 20210312 0001104659-21-035613.hdr.sgml : 20210312 20210312164003 ACCESSION NUMBER: 0001104659-21-035613 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210310 FILED AS OF DATE: 20210312 DATE AS OF CHANGE: 20210312 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Wedell-Wedellsborg Johan CENTRAL INDEX KEY: 0001753185 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38650 FILM NUMBER: 21738058 MAIL ADDRESS: STREET 1: RUNGSTED STRANDVEJ 113 CITY: RUNGSTED KYST STATE: G7 ZIP: 2960 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Y-mAbs Therapeutics, Inc. CENTRAL INDEX KEY: 0001722964 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 474619612 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 750 THIRD AVENUE STREET 2: 9TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10017 BUSINESS PHONE: 212-847-9841 MAIL ADDRESS: STREET 1: 750 THIRD AVENUE STREET 2: 9TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10017 4 1 tm218464-3_4seq1.xml OWNERSHIP DOCUMENT X0306 4 2021-03-10 0 0001722964 Y-mAbs Therapeutics, Inc. YMAB 0001753185 Wedell-Wedellsborg Johan C/O WECO GROUP A/S RUNGSTED STRANDVEJ 113 RUNGSTED KYST G7 2900 DENMARK 1 0 0 0 Common Stock 2021-03-10 4 J 0 1029927 D 4478465 I By WG Biotech ApS WG Biotech Aps transferred 1,029,927 shares of the Common Stock of Y-mAbs Therapeutics, Inc. (the "Company") to GAD Enterprises, LLC in exchange for 20,565 ordinary shares of WG Biotech ApS. The closing sale price of the Company's Common Stock on March 10, 2021, the date of the transaction, was $35.30. Reporting Person is the majority owner of WG Biotech ApS and as such has sole voting and dispositive power with respect to such shares. /s/ Johan Wedell-Wedellsborg 2021-03-12