0001104659-21-150648.txt : 20211216 0001104659-21-150648.hdr.sgml : 20211216 20211216183540 ACCESSION NUMBER: 0001104659-21-150648 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20211214 FILED AS OF DATE: 20211216 DATE AS OF CHANGE: 20211216 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Gad Thomas CENTRAL INDEX KEY: 0001753224 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38650 FILM NUMBER: 211499066 MAIL ADDRESS: STREET 1: C/O Y-MABS THERAPEUTICS, INC. STREET 2: 230 PARK AVENUE, 33RD FLOOR CITY: NEW YORK STATE: NY ZIP: 10169 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: 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 4 1 tm2135463-9_4seq1.xml OWNERSHIP DOCUMENT X0306 4 2021-12-14 0 0001722964 Y-mAbs Therapeutics, Inc. YMAB 0001753224 Gad Thomas C/O Y-MABS THERAPEUTICS, INC. 230 PARK AVENUE, SUITE 3350 NEW YORK NY 10169 1 1 0 0 See remarks Common Stock 2021-12-14 5 G 0 E 60000 0 D 1323320 I By GAD Enterprises LLC Common Stock 2021-12-14 5 G 0 E 60000 0 A 1383320 I By Children Common Stock 50000 D The transactions involved gifts by the Reporting Person of 20,000 shares each to three of Reporting Person's children who are deemed to share Reporting Person's household. Reporting Person is sole member of GAD Enterprises, LLC and the sole member and manager of GAD Management, LLC, the manager of GAD Enterprises, LLC, and as such Reporting Person has sole voting and dispositive power with respect to such shares. Chairman, President and Head of Business Development & Strategy /s/ THOMAS GAD 2021-12-16