<SEC-DOCUMENT>0001564590-19-014266-index.html : 20190430 <SEC-HEADER>0001564590-19-014266.hdr.sgml : 20190430 <ACCEPTANCE-DATETIME>20190430160452 ACCESSION NUMBER: 0001564590-19-014266 CONFORMED SUBMISSION TYPE: DEF 14A PUBLIC DOCUMENT COUNT: 5 CONFORMED PERIOD OF REPORT: 20190610 FILED AS OF DATE: 20190430 DATE AS OF CHANGE: 20190430 EFFECTIVENESS DATE: 20190430 FILER: 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 FILING VALUES: FORM TYPE: DEF 14A SEC ACT: 1934 Act SEC FILE NUMBER: 001-38796 FILM NUMBER: 19781606 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>DEF 14A <SEQUENCE>1 <FILENAME>goss-def14a_20190610.htm <DESCRIPTION>DEF 14A <TEXT> Document 1 - file: goss-def14a_20190610.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>guufbx5ckqub000003.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: guufbx5ckqub000003.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>guufbx5ckqub000001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: guufbx5ckqub000001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>guufbx5ckqub000004.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: guufbx5ckqub000004.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>guufbx5ckqub000002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: guufbx5ckqub000002.jpg
</DOCUMENT> </SEC-DOCUMENT>