0001728117-21-000029.txt : 20210325 0001728117-21-000029.hdr.sgml : 20210325 20210325160929 ACCESSION NUMBER: 0001728117-21-000029 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210323 FILED AS OF DATE: 20210325 DATE AS OF CHANGE: 20210325 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Christian Waage CENTRAL INDEX KEY: 0001553179 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38796 FILM NUMBER: 21772449 MAIL ADDRESS: STREET 1: RECEPTOS, INC. STREET 2: 10835 ROAD TO THE CURE, SUITE 205 CITY: SAN DIEGO STATE: CA ZIP: 92121 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 4 1 wf-form4_161670295456273.xml FORM 4 X0306 4 2021-03-23 0 0001728117 Gossamer Bio, Inc. GOSS 0001553179 Christian Waage 3013 SCIENCE PARK ROAD SAN DIEGO CA 92121 0 1 0 0 EVP & General Counsel Common Stock 2021-03-23 4 S 0 5490 9.481 D 588199 D Common Stock 6954 I By family trust Common Stock 22222 I By trust FBO son Represents a broker-assisted sale to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units. /s/ Jeff Boerneke, Attorney-in-Fact 2021-03-25