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Insider Transactions Reported by 22 Insiders of Sierra Oncology, Inc.

Location
San Mateo, CA

There are no Buy or Sell transactions made by insiders since 11 Mar 2025

Sierra Oncology, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Joshua Richardson Director, 10%+ Owner $117,687,405 31 Jan 2022
Abingworth LLP 10%+ Owner $72,276,985 28 Jan 2022
Longitude Prime Partners, LLC 10%+ Owner $9,625,000 31 Jan 2022
Longitude Capital Partners III, LLC 10%+ Owner $440,825 27 Apr 2022
Kevin Norrett Chief Business Officer 01 Jul 2022
Robert Pelzer Director 01 Jul 2022
Gaurav Aggarwal Director 01 Jul 2022
Andrew R. Allen Director, 10%+ Owner 01 Jul 2022
Mary Christina Thomson General Counsel 01 Jul 2022
William D. Turner Chief Reg & Tech Ops Officer 01 Jul 2022
Sukhi Jagpal Chief Financial Officer 01 Jul 2022
Mona Ashiya Director, 10%+ Owner 01 Jul 2022
Jeffrey H. Cooper Director 01 Jul 2022
Andrew Sinclair Director 01 Jul 2022
Craig A. Collard Director 01 Jul 2022
Mark Kowalski Chief, Research & Early Dev 28 Jan 2022
Georgia Erbez Director 01 Jul 2022
Barbara Klencke Chief Medical Officer 01 Jul 2022
Vivo Opportunity, LLC Director, 10%+ Owner 01 Jul 2022
Christy J. Oliger Director 01 Jul 2022
ORBIMED ADVISORS LLC Director, 10%+ Owner 01 Jul 2022
STEPHEN GEORGE DILLY CEO and President, Director 01 Jul 2022

Recent Insider Transactions by Companies or Individuals for Sierra Oncology, Inc.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.