0001214659-21-003815.txt : 20210401 0001214659-21-003815.hdr.sgml : 20210401 20210401163020 ACCESSION NUMBER: 0001214659-21-003815 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210330 FILED AS OF DATE: 20210401 DATE AS OF CHANGE: 20210401 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: THORBURN JAMES M CENTRAL INDEX KEY: 0001252038 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38720 FILM NUMBER: 21798476 MAIL ADDRESS: STREET 1: C/O ZILOG INC STREET 2: 532 RACE STREET CITY: SAN JOSE STATE: CA ZIP: 95126 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Twist Bioscience Corp CENTRAL INDEX KEY: 0001581280 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 462058888 STATE OF INCORPORATION: DE FISCAL YEAR END: 0930 BUSINESS ADDRESS: STREET 1: 681 GATEWAY BLVD. CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 BUSINESS PHONE: 800-719-0671 MAIL ADDRESS: STREET 1: 681 GATEWAY BLVD. CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 4 1 marketforms-52155.xml PRIMARY DOCUMENT X0306 4 2021-03-30 0001581280 Twist Bioscience Corp TWST 0001252038 THORBURN JAMES M C/O TWIST BIOSCIENCE CORPORATION 681 GATEWAY BLVD. SOUTH SAN FRANCISCO CA 94080 false true false false Chief Financial Officer Common Stock 2021-03-30 4 M false 6000 26.66 A 54290 D Common Stock 2021-03-30 4 S false 6000 110.00 D 48290 D Employee Stock Option (right to buy) 26.66 2021-03-30 4 M false 6000 0 D 2028-11-18 Common Stock 6000 54415 D The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on December 16, 2020. 20% of the shares subject to the option vested and became exercisable on October 31, 2019 and 1/60th of the shares subject to the option vest and become exercisable on each monthly anniversary thereafter, subject to the Reporting Person's continuous service through each vesting date. /s/ William Solis, as Attorney-in-Fact for James M. Thorburn 2021-04-01