0001209191-23-045434.txt : 20230811 0001209191-23-045434.hdr.sgml : 20230811 20230811161604 ACCESSION NUMBER: 0001209191-23-045434 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230809 FILED AS OF DATE: 20230811 DATE AS OF CHANGE: 20230811 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Chung Jane CENTRAL INDEX KEY: 0001872398 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38662 FILM NUMBER: 231164322 MAIL ADDRESS: STREET 1: C/O SUTRO BIOPHARMA, INC. STREET 2: 310 UTAH AVE., SUITE 150 CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: SUTRO BIOPHARMA, INC. CENTRAL INDEX KEY: 0001382101 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 452441988 FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 111 OYSTER POINT BLVD. CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 BUSINESS PHONE: 650-392-8412 MAIL ADDRESS: STREET 1: 111 OYSTER POINT BLVD. CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 FORMER COMPANY: FORMER CONFORMED NAME: SUTRO BIOPHARMA INC DATE OF NAME CHANGE: 20061127 4 1 doc4.xml FORM 4 SUBMISSION X0508 4 2023-08-09 0 0001382101 SUTRO BIOPHARMA, INC. STRO 0001872398 Chung Jane C/O SUTRO BIOPHARMA, INC. 111 OYSTER POINT BLVD. SOUTH SAN FRANCISCO CA 94080 0 1 0 0 Chief Commercial Officer 0 Common Stock 2023-08-09 4 M 0 18750 0.00 A 38181 D Common Stock 2023-08-09 4 F 0 6483 4.22 D 31698 D Restricted Stock Unit (RSU) 2023-08-09 4 M 0 18750 0.00 D 2025-08-09 Common Stock 18750 37500 D Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the RSUs and does not represent a sale by the reporting person. Each RSU represents a contingent right to receive one (1) share of the issuer's Common Stock upon settlement. The RSUs vest as to 1/4th of the total shares annually beginning on August 9, 2022, subject to the reporting person's provision of service to the issuer on each vesting date. /s/ Edward C. Albini as attorney-in-fact for Jane Chung 2023-08-11