Keith W. Marshall

Companies

• Prometheus Biosciences, Inc.Chief financial officer Mar 11, 2021 to Jun 16, 2023¹
• Histogen Inc.Chief financial officer Sep 1, 2017 to May 27, 2020²
• Histogen Inc.Chief operating officer Sep 1, 2017 to May 27, 2020²

Holdings

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

Shares held

• PBPrometheus Biosciences, Inc.0 shares³Jun 16, 2023

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

Recent filings

• Jun 16, 2023Returned to company 87,973 shares of Prometheus Biosciences, Inc.³
• Jun 2, 2023Exercised options 78,162 shares at $3.10 of Prometheus Biosciences, Inc.⁴
• Apr 5, 2023Sold 10,000 shares at $108.42 of Prometheus Biosciences, Inc.⁵
• Apr 5, 2023Exercised options 10,000 shares at $3.70 of Prometheus Biosciences, Inc.⁵
• Mar 6, 2023Sold 10,000 shares at $122.13 of Prometheus Biosciences, Inc.⁶
• Mar 6, 2023Exercised options 10,000 shares at $3.70 of Prometheus Biosciences, Inc.⁶
• Feb 15, 2023Sold 5,000 shares at $119.38 of Prometheus Biosciences, Inc.⁷
• Feb 15, 2023Exercised options 5,000 shares at $3.70 of Prometheus Biosciences, Inc.⁷
• Jan 17, 2023Sold 5,000 shares at $119.00 of Prometheus Biosciences, Inc.⁸
• Jan 17, 2023Exercised options 5,000 shares at $3.70 of Prometheus Biosciences, Inc.⁸
• Dec 9, 2022Granted 9,811 shares of Prometheus Biosciences, Inc.⁹