0000899243-21-040253.txt : 20211014 0000899243-21-040253.hdr.sgml : 20211014 20211014170035 ACCESSION NUMBER: 0000899243-21-040253 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20211012 FILED AS OF DATE: 20211014 DATE AS OF CHANGE: 20211014 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Shakespeare William CENTRAL INDEX KEY: 0001879255 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40869 FILM NUMBER: 211323850 MAIL ADDRESS: STREET 1: 245 MAIN STREET, 2ND FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 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: 245 MAIN STREET CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: (857) 400-9491 MAIL ADDRESS: STREET 1: 245 MAIN STREET CITY: CAMBRIDGE STATE: MA ZIP: 02142 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2021-10-12 0 0001745020 Theseus Pharmaceuticals, Inc. THRX 0001879255 Shakespeare William C/O THESEUS PHARMACEUTICALS, INC. 245 MAIN STREET CAMBRIDGE MA 02142 0 1 0 0 See Remarks Common Stock 2021-10-12 4 P 0 625 16.00 A 388949 D Represents shares purchased in the issuer's initial public offering. President of Research and Development /s/ Bradford Dahms - Attorney-in-Fact 2021-10-14