0001415889-24-007188.txt : 20240307 0001415889-24-007188.hdr.sgml : 20240307 20240307163110 ACCESSION NUMBER: 0001415889-24-007188 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240305 FILED AS OF DATE: 20240307 DATE AS OF CHANGE: 20240307 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: NEWELL WILLIAM J CENTRAL INDEX KEY: 0001309660 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38662 FILM NUMBER: 24730621 MAIL ADDRESS: STREET 1: 887 GREAT NORTHERN WAY CITY: VANCOUVER STATE: A1 ZIP: V5T 4T5 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 form4-03072024_090300.xml X0508 4 2024-03-05 0001382101 SUTRO BIOPHARMA, INC. STRO 0001309660 NEWELL WILLIAM J C/O SUTRO BIOPHARMA, INC. 111 OYSTER POINT BLVD. SOUTH SAN FRANCISCO CA 94080 true true false false CEO 0 Common Stock 2024-03-05 4 M 0 18750 0 A 226893 D Common Stock 2024-03-05 4 F 0 6690 4.54 D 220203 D Common Stock 116525 I By William J. Newell Family Trust DTD 03/15/2019 Stock Option (Right to Buy Common Stock) 4.54 2024-03-05 4 A 0 174000 0 A 2034-03-05 Common Stock 174000 174000 D Restricted Stock Units (RSUs) 2024-03-05 4 A 0 130500 0 A 2028-03-01 Common Stock 130500 130500 D Restricted Stock Unit (RSU) 2024-03-05 4 M 0 18750 0 D 2025-03-05 Common Stock 18750 18750 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 restricted stock units; does not represent a sale by the reporting person. The securities are held of record by the reporting person as trustee of the William J. Newell Family Trust DTD 03/15/2019. The option vests as to 2.0833% of the total award monthly, beginning on April 1, 2024, with 100% of the award being vested and exercisable on March 1, 2028, subject to the reporting person's continued service to the Issuer on each vesting date. 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 award annually beginning on March 1, 2025, subject to continued service through each vesting date. The RSUs vest as to 1/4th of the total award annually beginning on March 5, 2022, subject to continued service through each vesting date. /s/ Edward C. Albini as attorney-in-fact for William J. Newell 2024-03-07