Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 2 boards, counting each seat separately. Longest: Twist Bioscience Corporation, 3 years.
Twist Bioscience Corporation
Director
Nektar Therapeutics
Director
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 |
|---|---|---|---|---|---|
| Sep 23, 2026 | Nektar Therapeutics | Grant or award | +2,000 | — | — |
| Aug 7, 2026 | Twist Bioscience Corporation | Option exercise | +18,417 | $11.89 | $218,978 |
| Aug 7, 2026 | Twist Bioscience Corporation | Open-market sale | −18,417 | $110.89 | $2,042,261 |
| Mar 17, 2026 | Twist Bioscience Corporation | Option exercise | +10,000 | $11.89 | $118,900 |
| Mar 17, 2026 | Twist Bioscience Corporation | Open-market sale | −10,000 | $47.00 | $470,000 |
| Feb 13, 2026 | Twist Bioscience Corporation | Open-market sale | −2,184 | $48.26 | $105,400 |
| Feb 5, 2026 | Twist Bioscience Corporation | Grant or award | +5,095 | — | — |
| Feb 7, 2025 | Twist Bioscience Corporation | Open-market sale | −2,940 | $53.14 | $156,232 |
| Feb 5, 2025 | Twist Bioscience Corporation | Grant or award | +4,472 | — | — |
| Jan 7, 2025 | Twist Bioscience Corporation | Open-market sale | −5,000 | $50.00 | $250,000 |
| Dec 5, 2024 | Twist Bioscience Corporation | Option exercise | +3,504 | $8.82 | $30,905 |
| Dec 5, 2024 | Twist Bioscience Corporation | Open-market sale | −2,795 | $51.70 | $144,502 |
| Dec 5, 2024 | Twist Bioscience Corporation | Open-market sale | −709 | $52.45 | $37,187 |
| Nov 11, 2024 | Twist Bioscience Corporation | Option exercise | +3,600 | $8.82 | $31,752 |
| Nov 11, 2024 | Twist Bioscience Corporation | Open-market sale | −2,324 | $46.99 | $109,205 |
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