0001745020-21-000001.txt : 20210204 0001745020-21-000001.hdr.sgml : 20210204 20210204112709 ACCESSION NUMBER: 0001745020-21-000001 CONFORMED SUBMISSION TYPE: D/A PUBLIC DOCUMENT COUNT: 1 ITEM INFORMATION: 06b FILED AS OF DATE: 20210204 DATE AS OF CHANGE: 20210204 EFFECTIVENESS DATE: 20210204 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Theseus Pharmaceuticals, Inc. CENTRAL INDEX KEY: 0001745020 IRS NUMBER: 830712806 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: D/A SEC ACT: 1933 Act SEC FILE NUMBER: 021-315789 FILM NUMBER: 21589736 BUSINESS ADDRESS: STREET 1: C/O ORBIMED ADVISORS LLC STREET 2: 601 LEXINGTON AVE., FL 54 CITY: NEW YORK STATE: NY ZIP: 10022 BUSINESS PHONE: 2127396493 MAIL ADDRESS: STREET 1: C/O ORBIMED ADVISORS LLC STREET 2: 601 LEXINGTON AVE., FL 54 CITY: NEW YORK STATE: NY ZIP: 10022 D/A 1 primary_doc.xml X0708 D/A LIVE 0001745020 Theseus Pharmaceuticals, Inc. 210 Broadway, Suite 201 Cambridge MA MASSACHUSETTS 02139 2127396493 DELAWARE None None Corporation true 2017 Iain Dukes 210 Broadway, Suite 201 Cambridge MA MASSACHUSETTS 02139-3357 Executive Officer Director William C. Shakespeare 210 Broadway, Suite 201 Cambridge MA MASSACHUSETTS 02139-3357 Director Carl Gordon c/o Orbimed Advisors LLC 601 Lexington Ave. FL 54 New York NY NEW YORK 10022 Director Michael Rome c/o Foresite Capital 600 Montgomery Street, Suite 4500 San Francisco CA CALIFORNIA 94111 Director Pharmaceuticals Decline to Disclose 06b true 0001745020-18-000001 2018-06-14 true true false 0 22136987 22136987 0 false 3 0 0 0 false Theseus Pharmaceuticals, Inc. /s/ Iain Dukes Iain Dukes President and Chief Executive Officer 2021-02-04