Stephen George Dilly

Companies

• CodexisOfficer Aug 3, 2022 to now¹
• CodexisBoard member Jun 16, 2020 to now²
• Sierra Oncology, Inc.Board member Jun 2, 2020 to Jul 1, 2022³
• Sierra Oncology, Inc.Chief executive officer Jun 2, 2020 to Jul 1, 2022³
• Sierra Oncology, Inc.President Jun 2, 2020 to Jul 1, 2022³
• SANGAMO THERAPEUTICS, INCBoard member Apr 2, 2010 to Jun 3, 2020⁴
• Aimmune Therapeutics (United Kingdom)Board member Aug 5, 2015 to Jun 13, 2018⁵
• Aimmune Therapeutics (United Kingdom)Chief executive officer Aug 5, 2015 to Jun 13, 2018⁵
• Aimmune Therapeutics (United Kingdom)President Aug 5, 2015 to Jun 13, 2018⁵
• Aimmune Therapeutics (United Kingdom)Officer Feb 26, 2016 to Jun 5, 2018⁶

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Codexis CDXS727,053 shares⁷$901.5K at $1.24Nov 11, 2025
• SOSierra Oncology, Inc.0 shares⁸Jul 1, 2022

As of each latest filing. The line shows shares held over time.

Recent filings

• Nov 11, 2025Granted 50,000 shares at $1.85 of Codexis⁷
• Feb 5, 2025Granted 88,750 shares of Codexis⁹
• Jan 1, 2024Granted 143,425 shares of Codexis¹⁰
• Sep 8, 2023Bought 58,479 shares at $1.73 of Codexis¹¹
• Mar 8, 2023Sold 26,987 shares at $4.56 of Codexis¹²
• Mar 7, 2023Sold 28,088 shares at $4.60 of Codexis¹²
• Feb 21, 2023Granted 112,500 shares of Codexis¹³
• Feb 8, 2023Granted 289,000 shares of Codexis¹²
• Jul 1, 2022Returned to company 5,000 shares at $55.00 of Sierra Oncology, Inc.⁸
• Jun 14, 2022Granted 11,273 shares of Codexis¹⁴