0001104659-23-023506.txt : 20230221 0001104659-23-023506.hdr.sgml : 20230221 20230221070122 ACCESSION NUMBER: 0001104659-23-023506 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230217 FILED AS OF DATE: 20230221 DATE AS OF CHANGE: 20230221 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Dahms Bradford D. CENTRAL INDEX KEY: 0001787307 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40869 FILM NUMBER: 23645217 MAIL ADDRESS: STREET 1: C/O SELECTA BIOSCIENCES, INC. STREET 2: 480 ARSENAL WAY CITY: WATERTOWN STATE: MA ZIP: 02472 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Theseus Pharmaceuticals, Inc. CENTRAL INDEX KEY: 0001745020 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 830712806 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 314 MAIN STREET, SUITE 04-200 CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: (857) 400-9491 MAIL ADDRESS: STREET 1: 314 MAIN STREET, SUITE 04-200 CITY: CAMBRIDGE STATE: MA ZIP: 02142 4 1 tm237110-2_4seq1.xml OWNERSHIP DOCUMENT X0306 4 2023-02-17 0 0001745020 Theseus Pharmaceuticals, Inc. THRX 0001787307 Dahms Bradford D. C/O THESEUS PHARMACEUTICALS, INC. 314 MAIN STREET CAMBRIDGE MA 02142 0 1 0 0 Chief Financial Officer Stock Option (right to buy) 11.42 2023-02-17 4 A 0 105000 0.00 A 2033-02-17 Common Stock 105000 105000 D The options are subject to a service-based vesting requirement, which shall be satisfied over a four-year period with 25% of the options vesting on February 17, 2024 and 1/48th of the options vesting monthly thereafter, subject to the Reporting Person's continuous service with the issuer. /s/ Bradford Dahms 2023-02-21