0001104659-23-070045.txt : 20230609 0001104659-23-070045.hdr.sgml : 20230609 20230609180402 ACCESSION NUMBER: 0001104659-23-070045 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230608 FILED AS OF DATE: 20230609 DATE AS OF CHANGE: 20230609 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: 231006616 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: 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 tm2318348-5_4seq.xml OWNERSHIP DOCUMENT X0407 4 2023-06-08 0 0001722964 Y-mAbs Therapeutics, Inc. YMAB 0001753185 Wedell-Wedellsborg Johan C/O WECO GROUP A/S RUNGSTED STRANDVEJ 113 RUNGSTED KYST G7 2960 DENMARK 1 0 0 0 0 Common Stock 2023-06-08 4 A 0 2330 0 A 2330 D Common Stock 4280205 I By WG Biotech ApS Employee Stock Option (right to buy) 8.13 2023-06-08 4 A 0 13950 0 A 2033-06-08 Common stock 13950 13950 D Represents restricted stock units ("RSUs") granted to the Reporting Person as a non-employee director pursuant to the 2018 Equity Incentive Plan of Y-mAbs Therapeutics, Inc. 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 stockeholders held in 2024, subject to the Reporting Person's continued service to Y-mAbs Therapeutics, Inc. on the vesting date. Reporting Person is the majority owner of WG Biotech ApS and as such has sole voting and investment power with respect to such shares. Stock options granted to the Reporting Person as a non-employee director pursuant to the 2018 Equity Incentive Plan of Y-mAbs Therapeutics, Inc. The stock options vest in equal monthly installments during the first year following the date of grant, subject to the Reporting Person's continued service to Y-mAbs Therapeutics, Inc. on each vesting date and are exercisable immediately upon vesting. /s/ Sune Reinholth Nyland, Attorney-in-Fact for Johan Wedell-Wedellsborg 2023-06-09