0000950170-25-014077.txt : 20250204 0000950170-25-014077.hdr.sgml : 20250204 20250204212906 ACCESSION NUMBER: 0000950170-25-014077 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20250201 FILED AS OF DATE: 20250204 DATE AS OF CHANGE: 20250204 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Sarena Francis Willard CENTRAL INDEX KEY: 0001423786 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39122 FILM NUMBER: 25590536 MAIL ADDRESS: STREET 1: C/O FIVE PRIME THERAPEUTICS, INC. STREET 2: 2 CORPORATE DRIVE CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: 89bio, Inc. CENTRAL INDEX KEY: 0001785173 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 831114349 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 655 MONTGOMERY STREET STREET 2: SUITE 1500 CITY: SAN FRANCISCO STATE: CA ZIP: 94111 BUSINESS PHONE: (415) 432-9270 MAIL ADDRESS: STREET 1: 655 MONTGOMERY STREET STREET 2: SUITE 1500 CITY: SAN FRANCISCO STATE: CA ZIP: 94111 4 1 ownership.xml 4 X0508 4 2025-02-01 0001785173 89bio, Inc. ETNB 0001423786 Sarena Francis Willard C/O 89BIO, INC. 655 MONTGOMERY STREET, SUITE 1500 SAN FRANCISCO CA 94111 false true false false Chief Operating Officer false Common Stock 2025-02-01 4 A false 53750 0 A 78750 D Stock Option (Right to Buy) 9.6 2025-02-01 4 A false 215000 0 A 2035-02-01 Common Stock 215000 215000 D Represents restricted stock units that vest in equal semi-annual installments over three years, subject to the Reporting Person's continued service to the Issuer. Represents a right to purchase a total of 215,000 shares of the Issuer's Common Stock, one quarter of which will vest on February 1, 2026, with the remaining three quarters vesting in equal quarterly installments over the following three years, subject to the Reporting Person's continued service to the Issuer. /s/ Ryan A. Murr, as attorney-in-fact for Francis Willard Sarena 2025-02-04