Sandra Horning

Companies

• Revolution Medicines (United States)Board member Nov 14, 2023 to now¹
• Olema Pharmaceuticals, Inc.Board member Nov 18, 2020 to now²
• ModernaBoard member May 1, 2020 to now³
• Gilead SciencesBoard member Jan 30, 2020 to now⁴
• EQRx, Inc.Board member Dec 20, 2021 to Nov 9, 2023⁵

Holdings

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

Shares held

• RMRevolution Medicines (United States) RVMD97,765 shares⁶$17.8M at $182.09Jun 18, 2026
• Moderna MRNA18,585 shares⁷$4.2M at $226.67Apr 30, 2026
• GSGilead Sciences GILD6,293 shares⁸$983.3K at $156.25Apr 30, 2026
• EEQRx, Inc.0 shares⁹Nov 9, 2023

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

Recent filings

• Jun 18, 2026Granted 1,191 shares of Revolution Medicines (United States)⁶
• Apr 30, 2026Granted 1,146 shares of Gilead Sciences⁸
• Apr 30, 2026Exercised options 16,233 shares of Moderna⁷
• Jun 26, 2025Granted 3,142 shares of Revolution Medicines (United States)¹⁰
• May 7, 2025Granted 1,516 shares of Gilead Sciences¹¹
• Apr 30, 2025Exercised options 979 shares of Moderna¹²
• Jun 20, 2024Granted 2,945 shares of Revolution Medicines (United States)¹³
• Jun 20, 2024Granted 4,800 shares of Revolution Medicines (United States)¹⁴
• Nov 9, 2023Granted 10,500 shares of Revolution Medicines (United States)¹⁵
• Nov 9, 2023Granted 27,696 shares of Revolution Medicines (United States)¹⁵
• Nov 9, 2023Granted 52,291 shares of Revolution Medicines (United States)¹⁵
• Nov 9, 2023Returned to company 470,250 shares of EQRx, Inc.⁹
• May 3, 2023Granted 1,887 shares of Gilead Sciences¹⁶
• Apr 28, 2023Exercised options 670 shares of Moderna¹⁷
• May 3, 2022Exercised options 1,112 shares of Gilead Sciences¹⁸
• Apr 28, 2022Exercised options 703 shares of Moderna¹⁹
• Dec 17, 2021Granted 470,250 shares of EQRx, Inc.²⁰