0001104659-24-071401.txt : 20240613 0001104659-24-071401.hdr.sgml : 20240613 20240613210137 ACCESSION NUMBER: 0001104659-24-071401 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240611 FILED AS OF DATE: 20240613 DATE AS OF CHANGE: 20240613 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Wedell-Wedellsborg Johan CENTRAL INDEX KEY: 0001753185 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38650 FILM NUMBER: 241042815 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] ORGANIZATION NAME: 03 Life Sciences 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 tm2417212-4_4seq1.xml OWNERSHIP DOCUMENT X0508 4 2024-06-11 0 0001722964 Y-mAbs Therapeutics, Inc. YMAB 0001753185 Wedell-Wedellsborg Johan C/O Y-MABS THERAPEUTICS, INC. 230 PARK AVENUE, SUITE 3350 NEW YORK NY 10169 1 0 1 0 0 Common Stock 2024-06-11 4 A 0 3495 0 A 5825 D Common Stock 4559233 I By WG Biotech ApS Employee Stock Option (right to buy) 12.01 2024-06-11 4 A 0 14545 0 A 2034-06-11 Common Stock 14545 14545 D Represents restricted stock units ("RSUs") granted to the Reporting Person pursuant to the Issuer's 2018 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock on the vesting date of the RSUs. The RSUs vest in full on the earlier of the first anniversary of the date of grant or the date immediately preceding the date of the Issuer's annual meeting of stockholders held in 2025, subject to the Reporting Person's continued service to the Issuer on the vesting date. Reporting Person is the majority owner of WG Biotech ApS and as such has sole voting and dispositive power with respect to such shares. Stock options granted to the Reporting Person pursuant to the Issuer's 2018 Equity Incentive Plan. The stock options vest in equal monthly installments until the first anniversary of the date of grant, subject to the Reporting Person's continued service to the Issuer on each vesting date, and are exercisable immediately upon vesting. /s/ John LaRocca, Attorney-in-Fact 2024-06-13