0001209191-21-034601.txt : 20210520 0001209191-21-034601.hdr.sgml : 20210520 20210520185953 ACCESSION NUMBER: 0001209191-21-034601 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210519 FILED AS OF DATE: 20210520 DATE AS OF CHANGE: 20210520 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: DILLY STEPHEN GEORGE CENTRAL INDEX KEY: 0001389147 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37490 FILM NUMBER: 21946039 MAIL ADDRESS: STREET 1: C/O AVIGEN, INC. STREET 2: 1301 HARBOR BAY PKWY CITY: ALAMEDA STATE: CA ZIP: 94502 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Sierra Oncology, Inc. CENTRAL INDEX KEY: 0001290149 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 2150 ? 885 WEST GEORGIA STREET CITY: VANCOUVER STATE: A1 ZIP: V6C 3E8 BUSINESS PHONE: 604-558-6536 MAIL ADDRESS: STREET 1: 2150 ? 885 WEST GEORGIA STREET CITY: VANCOUVER STATE: A1 ZIP: V6C 3E8 FORMER COMPANY: FORMER CONFORMED NAME: ProNAi Therapeutics Inc DATE OF NAME CHANGE: 20040513 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2021-05-19 0 0001290149 Sierra Oncology, Inc. SRRA 0001389147 DILLY STEPHEN GEORGE C/O SIERRA ONCOLOGY, INC. 1820 GATEWAY DRIVE, SUITE 110 SAN MATEO CA 94404 1 1 0 0 CEO and President Common Stock 2021-05-19 4 P 0 5000 17.83 A 5000 D The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares purchased. These shares were purchased in multiple transactions at prices ranging from $17.78 to $17.84, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the SEC staff, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth herein. /s/ Stephen George Dilly (By: Mary Christina Thomson, Attorney-In-Fact) 2021-05-20