Karen A. Dawes

Companies

• Barinthus Biotherapeutics plc.Board member Apr 29, 2021 to now¹
• RepligenBoard member Sep 5, 2006 to now²

Holdings

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

Shares held

• RRepligen RGEN92,816 shares³$16.3M at $176.05May 14, 2026
• BBBarinthus Biotherapeutics plc.0 shares⁴Sep 9, 2026

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

Recent filings

• Sep 9, 2026Returned to company 1,700 shares of Barinthus Biotherapeutics plc.⁴
• May 14, 2026Granted 995 shares of Repligen³
• Dec 17, 2025Sold 275 shares at $161.00 of Repligen⁵
• May 15, 2025Granted 973 shares of Repligen⁶
• Jun 14, 2024Exercised options 2,953 shares at $67.71 of Repligen⁷
• May 16, 2024Granted 803 shares of Repligen⁸
• Feb 27, 2024Sold 1,000 shares at $193.35 of Repligen⁹
• Feb 27, 2024Exercised options 4,626 shares at $42.07 of Repligen⁹
• Aug 29, 2023Sold 850 shares at $171.38 of Repligen¹⁰
• Aug 29, 2023Exercised options 7,392 shares at $18.12 of Repligen¹⁰
• May 18, 2023Granted 798 shares of Repligen¹¹
• Sep 9, 2022Sold 775 shares at $227.17 of Repligen¹²
• May 26, 2022Granted 644 shares of Repligen¹³
• May 25, 2022Sold 742 shares at $152.84 of Repligen¹⁴
• May 25, 2022Sold 1,875 shares at $152.14 of Repligen¹⁴
• May 25, 2022Sold 1,845 shares at $151.14 of Repligen¹⁴
• May 25, 2022Sold 7,677 shares at $150.19 of Repligen¹⁴
• May 25, 2022Sold 2,576 shares at $149.18 of Repligen¹⁴
• Nov 10, 2021Sold 14 shares at $271.28 of Repligen¹⁵
• Nov 10, 2021Sold 255 shares at $269.94 of Repligen¹⁵
• Nov 10, 2021Sold 349 shares at $267.75 of Repligen¹⁵
• Nov 10, 2021Sold 486 shares at $266.72 of Repligen¹⁵
• Nov 10, 2021Sold 488 shares at $265.27 of Repligen¹⁵
• Nov 10, 2021Sold 336 shares at $264.21 of Repligen¹⁵
• Nov 10, 2021Sold 1,119 shares at $263.23 of Repligen¹⁵