0001728117-23-000146.txt : 20231122 0001728117-23-000146.hdr.sgml : 20231122 20231122190729 ACCESSION NUMBER: 0001728117-23-000146 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231120 FILED AS OF DATE: 20231122 DATE AS OF CHANGE: 20231122 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Peterson Caryn CENTRAL INDEX KEY: 0001857256 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38796 FILM NUMBER: 231434757 MAIL ADDRESS: STREET 1: 3013 SCIENCE PARK ROAD 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 wk-form4_1700698037.xml FORM 4 X0508 4 2023-11-20 0 0001728117 Gossamer Bio, Inc. GOSS 0001857256 Peterson Caryn 3013 SCIENCE PARK ROAD SAN DIEGO CA 92121 0 1 0 0 EVP, Regulatory Affairs 0 Stock Option (Right to Buy) 0.838 2023-11-20 4 A 0 125000 0 A 2033-11-19 Common Stock 125000 125000 D 25% of the total number of shares subject to the option will vest on November 20, 2024 and 1/48th of the total number of shares subject to the option vest on the last day of each one-month period thereafter, subject to the Reporting Person's continuous service to the Issuer on each such vesting date. /s/ Jeff Boerneke, Attorney-in-Fact 2023-11-22