Robert Nelsen
Sits on 6 boards. Overboarded · 6 public boards Last updated September 28, 2026
Time on boards
- Boards served
- 6
- Current seats
- 6
- Board service
- 15 years
- Director since
- 2023
15 years of board service in total across 6 boards, counting each seat separately. Longest: Sana Biotechnology Inc., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Sana Biotechnology Inc. June 4, 202691.9%
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Vir Biotechnology Inc. May 29, 202463.6%
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Sana Biotechnology Inc. June 8, 202386.5%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Oct 19, 2026 | City Therapeutics Inc. | Derivative conversion | +3,294,900 | — | — |
| Oct 19, 2026 | City Therapeutics Inc. | Derivative conversion | +5,482,309 | — | — |
| Oct 19, 2026 | City Therapeutics Inc. | Derivative conversion | +2,027,006 | — | — |
| Oct 19, 2026 | City Therapeutics Inc. | Open-market purchase | +170,000 | $18.00 | $3,060,000 |
| Jun 22, 2026 | Kardigan Inc. | Open-market purchase | +1,250,000 | $16.00 | $20,000,000 |
| Aug 1, 2025 | Prime Medicine Inc. | Open-market purchase | +3,030,300 | $3.30 | $9,999,990 |
| Jun 10, 2024 | Rapport Therapeutics Inc. | Derivative conversion | +3,728,738 | — | — |
| May 30, 2024 | Vir Biotechnology Inc. | Grant or award | +8,000 | — | — |
| Feb 15, 2024 | Prime Medicine Inc. | Open-market purchase | +3,200,000 | $6.25 | $20,000,000 |
| Feb 8, 2024 | Sana Biotechnology Inc. | Open-market purchase | +363,637 | $5.50 | $2,000,004 |
| Feb 8, 2024 | Sana Biotechnology Inc. | Open-market purchase | +727,272 | $5.50 | $3,999,996 |
| Feb 8, 2024 | Sana Biotechnology Inc. | Open-market purchase | +727,272 | $5.50 | $3,999,996 |
| Sep 29, 2023 | Neumora Therapeutics Inc. | Open-market purchase | +34,560 | $13.98 | $483,149 |
| Sep 28, 2023 | Neumora Therapeutics Inc. | Open-market purchase | +16,841 | $13.06 | $219,943 |
| Sep 28, 2023 | Neumora Therapeutics Inc. | Open-market purchase | +25,110 | $13.69 | $343,756 |
Questions about Robert Nelsen
What boards is Robert Nelsen on?
Robert Nelsen sits on the boards of City Therapeutics Inc., Kardigan Inc., Lyell Immunopharma Inc., Prime Medicine Inc., Sana Biotechnology Inc. and Vir Biotechnology Inc.
How long has Robert Nelsen served on boards?
Our records show at least 15 years of board service across 6 boards, the earliest from 2023.
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