0001209191-22-035213.txt : 20220608 0001209191-22-035213.hdr.sgml : 20220608 20220608191108 ACCESSION NUMBER: 0001209191-22-035213 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220606 FILED AS OF DATE: 20220608 DATE AS OF CHANGE: 20220608 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Wigginton Jon Marc CENTRAL INDEX KEY: 0001587487 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38662 FILM NUMBER: 221004596 MAIL ADDRESS: STREET 1: 9640 MEDICAL CENTER DRIVE CITY: ROCKVILLE STATE: MD ZIP: 20850 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 X0306 4 2022-06-06 0 0001382101 SUTRO BIOPHARMA, INC. STRO 0001587487 Wigginton Jon Marc C/O SUTRO BIOPHARMA, INC. 111 OYSTER POINT BLVD. SOUTH SAN FRANCISCO CA 94080 1 0 0 0 Stock Option (right to buy) 4.44 2022-06-06 4 A 0 18500 0.00 A 2032-06-05 Common Stock 18500 18500 D The option vests as to 8.33% of the total shares monthly, commencing July 6, 2022, with 100% of the total shares vested and exercisable on the earlier of the issuer's 2023 annual stockholders meeting or June 6, 2023, subject to the reporting person's provision of service to the issuer on each vesting date. /s/ Edward C. Albini as attorney-in-fact 2022-06-08