0001415889-24-002065.txt : 20240131 0001415889-24-002065.hdr.sgml : 20240131 20240131162331 ACCESSION NUMBER: 0001415889-24-002065 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240129 FILED AS OF DATE: 20240131 DATE AS OF CHANGE: 20240131 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Vasquez Nicki CENTRAL INDEX KEY: 0001877585 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38662 FILM NUMBER: 24583251 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] ORGANIZATION NAME: 03 Life Sciences 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 form4-01312024_090124.xml X0508 4 2024-01-29 0001382101 SUTRO BIOPHARMA, INC. STRO 0001877585 Vasquez Nicki C/O SUTRO BIOPHARMA, INC. 111 OYSTER POINT BLVD. SOUTH SAN FRANCISCO CA 94080 false true false false CHIEF PORT. STRAT & ALNCE OFCR 1 Common Stock 2024-01-29 4 S 0 12185 5 D 12803 D Common Stock 2024-01-29 4 M 0 2500 0 A 15303 D Common Stock 2024-01-29 4 F 0 1024 4.99 D 14279 D Restricted Stock Unit (RSU) 2024-01-29 4 M 0 2500 0 D 2024-01-29 Common Stock 2500 0 D This transaction was entered into pursuant to a Rule 10b5-1 plan adopted by the reporting person on June 29, 2023. 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 January 29, 2021, 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 Nicki Vasquez 2024-01-31