Robert Nelsen

Companies

• Kardigan, Inc.Board member Jun 24, 2026 to now¹
• Metsera, Inc.Board member Nov 14, 2025 to now²
• Prime Medicine, Inc.Board member Oct 19, 2022 to now³
• Sana BiotechnologyBoard member Feb 3, 2021 to now⁴
• Lyell Immunopharma, Inc.Board member Jun 16, 2021 to Jun 17, 2024⁵
• VIR BiotechnologyBoard member Oct 10, 2019 to Jun 3, 2024⁶
• Denali Therapeutics Inc.Board member Dec 7, 2017 to Jun 4, 2021⁷
• Karuna TherapeuticsBoard member Jun 27, 2019 to Apr 15, 2021⁸
• Beam TherapeuticsBoard member Feb 5, 2020 to Apr 2, 2021⁹
• Revolution Healthcare Acquisition Corp.Board member Mar 17, 2021 to Mar 17, 2021¹⁰
• Unity Biotechnology, Inc.Board member May 2, 2018 to Jun 22, 2020¹¹
• Syros Pharmaceuticals, Inc.Board member Jun 29, 2016 to Sep 22, 2017¹²
• Agios PharmaceuticalsBoard member Jul 23, 2013 to Mar 7, 2017¹³
• Sage Therapeutics, Inc.Board member Jul 17, 2014 to Nov 12, 2015¹⁴
• Bellerophon Therapeutics (United States)Board member Feb 13, 2015 to Feb 23, 2015¹⁵
• Fate TherapeuticsBoard member Sep 30, 2013 to Oct 7, 2013¹⁶

Holdings

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

Shares held

• KKardigan, Inc. KARD15,042,035 shares¹⁷$195.2M at $12.98Jun 22, 2026
• LILyell Immunopharma, Inc. LYEL18,206,358 shares¹⁸$159.7M at $8.77Jun 17, 2024
• VBVIR Biotechnology VIR618,041 shares¹⁹$6.3M at $10.23Jun 3, 2024
• PMPrime Medicine, Inc. PRME16,080 shares²⁰$61.4K at $3.82Aug 1, 2025
• Sana Biotechnology SANA13,853 shares²¹$31.7K at $2.29Feb 12, 2024

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

Recent filings

• Jun 22, 2026Bought 1,250,000 shares at $16.00 of Kardigan, Inc.¹⁷
• Jun 17, 2026Converted 13,792,035 shares of Kardigan, Inc.²²
• Aug 1, 2025Bought 3,030,300 shares at $3.30 of Prime Medicine, Inc.²⁰
• Jun 10, 2024Converted 3,728,738 shares of Rapport Therapeutics, Inc.²³
• May 30, 2024Granted 8,000 shares of VIR Biotechnology¹⁹
• Feb 15, 2024Bought 3,200,000 shares at $6.25 of Prime Medicine, Inc.²⁴
• Feb 8, 2024Bought 727,272 shares at $5.50 of Sana Biotechnology²¹
• Feb 8, 2024Bought 727,272 shares at $5.50 of Sana Biotechnology²¹
• Feb 8, 2024Bought 363,637 shares at $5.50 of Sana Biotechnology²¹
• Sep 29, 2023Bought 34,560 shares at $13.98 of Neumora Therapeutics, Inc.²⁵
• Sep 28, 2023Bought 25,110 shares at $13.69 of Neumora Therapeutics, Inc.²⁵
• Sep 28, 2023Bought 16,841 shares at $13.06 of Neumora Therapeutics, Inc.²⁵
• Sep 27, 2023Bought 24,504 shares at $12.31 of Neumora Therapeutics, Inc.²⁶
• Sep 26, 2023Bought 34,000 shares at $11.73 of Neumora Therapeutics, Inc.²⁶
• Sep 25, 2023Bought 29,967 shares at $11.65 of Neumora Therapeutics, Inc.²⁷
• Sep 25, 2023Bought 30,773 shares at $10.80 of Neumora Therapeutics, Inc.²⁷
• Sep 22, 2023Bought 40,000 shares at $11.14 of Neumora Therapeutics, Inc.²⁷
• Sep 19, 2023Bought 1,500,000 shares at $17.00 of Neumora Therapeutics, Inc.²⁸
• Sep 19, 2023Converted 2,124,143 shares of Neumora Therapeutics, Inc.²⁸
• Sep 19, 2023Converted 6,576,400 shares of Neumora Therapeutics, Inc.²⁸
• Sep 19, 2023Converted 6,895,021 shares of Neumora Therapeutics, Inc.²⁸
• Sep 19, 2023Converted 1,144,973 shares of Neumora Therapeutics, Inc.²⁸
• Sep 19, 2023Converted 684,167 shares of Neumora Therapeutics, Inc.²⁸
• Jul 28, 2023Other 1,600,000 shares of DA32 Life Science Tech Acquisition Corp.²⁹
• May 22, 2023Granted 6,027 shares of VIR Biotechnology³⁰