Jason O'Byrne

Officer, Caribou Biosciences, Inc.

Companies

Olema Pharmaceuticals, Inc.Chief financial officer Aug 13, 2026 to now¹
VIR BiotechnologyChief financial officer Oct 3, 2024 to now²
Caribou Biosciences, Inc.Chief financial officer Dec 21, 2021 to Feb 22, 2024³
Caribou Biosciences, Inc.Officer Jul 22, 2021 to Jul 22, 2021⁴

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

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

Mar 20, 2026Other 2,500 shares of VIR Biotechnology⁵
Mar 20, 2026Other 2,500 shares of VIR Biotechnology⁵
Feb 24, 2026Sold 1,634 shares at $9.53 of VIR Biotechnology⁷
Feb 23, 2026Sold 2,089 shares at $7.45 of VIR Biotechnology⁸
Feb 22, 2026Granted 55,000 shares of VIR Biotechnology⁸
Nov 17, 2025Sold 6,799 shares at $5.56 of VIR Biotechnology⁹
Feb 22, 2025Granted 40,000 shares of VIR Biotechnology¹⁰
Nov 15, 2024Granted 75,000 shares of VIR Biotechnology¹¹
Feb 20, 2024Granted 33,000 shares of Caribou Biosciences, Inc.⁶
Feb 8, 2022Exercised options 24,336 shares at $4.11 of Caribou Biosciences, Inc.¹²

The numbers on this page point here. Each one links to the record it came from.