<SEC-DOCUMENT>0001728117-23-000160-index.html : 20231129 <SEC-HEADER>0001728117-23-000160.hdr.sgml : 20231129 <ACCEPTANCE-DATETIME>20231129183812 ACCESSION NUMBER: 0001728117-23-000160 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231128 FILED AS OF DATE: 20231129 DATE AS OF CHANGE: 20231129 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Quisel John D CENTRAL INDEX KEY: 0001586788 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38796 FILM NUMBER: 231453606 MAIL ADDRESS: STREET 1: 128 SIDNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02139 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Gossamer Bio, Inc. CENTRAL INDEX KEY: 0001728117 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 475461709 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 3013 SCIENCE PARK CITY: SAN DIEGO STATE: CA ZIP: 92121 BUSINESS PHONE: (858) 922-0718 MAIL ADDRESS: STREET 1: 3013 SCIENCE PARK CITY: SAN DIEGO STATE: CA ZIP: 92121 </SEC-HEADER> <DOCUMENT> <TYPE>4 <SEQUENCE>1 <FILENAME>wk-form4_1701301079.xml <DESCRIPTION>FORM 4 <TEXT> Document 1 - file: wk-form4_1701301079.html
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