0001209191-22-036478.txt : 20220613 0001209191-22-036478.hdr.sgml : 20220613 20220613194806 ACCESSION NUMBER: 0001209191-22-036478 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220610 FILED AS OF DATE: 20220613 DATE AS OF CHANGE: 20220613 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: ROOT JONATHAN D CENTRAL INDEX KEY: 0001225480 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39756 FILM NUMBER: 221013122 MAIL ADDRESS: STREET 1: 2735 SAND HILL ROAD CITY: MENLO PARK STATE: CA ZIP: 94025 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Silverback Therapeutics, Inc. CENTRAL INDEX KEY: 0001671858 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 811489190 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 500 FAIRVIEW AVENUE NORTH, SUITE 600 CITY: SEATTLE STATE: WA ZIP: 98109 BUSINESS PHONE: 206-456-2900 MAIL ADDRESS: STREET 1: 500 FAIRVIEW AVENUE NORTH, SUITE 600 CITY: SEATTLE STATE: WA ZIP: 98109 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2022-06-10 0 0001671858 Silverback Therapeutics, Inc. SBTX 0001225480 ROOT JONATHAN D C/O SILVERBACK THERAPEUTICS, INC. 500 FAIRVIEW AVENUE N, SUITE 600 SEATTLE WA 98109 1 0 0 0 Stock Option (right to buy) 4.18 2022-06-10 4 A 0 18000 0.00 A 2032-06-09 Common Stock 18000 18000 D The shares subject to the option vest on the earlier of June 10, 2023 or the date of the Issuer's 2023 annual meeting of stockholders, which date has not been set by the Issuer's Board of Directors. /s/ Jeffrey C. Pepe, Attorney-in-Fact 2022-06-13