Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 5 years
- Director since
- 2023
5 years of board service in total across 3 boards, counting each seat separately. Longest: Nkarta 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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Kalaris Therapeutics Inc. June 3, 202697.0%
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Nkarta Inc. June 3, 202597.1%
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 |
|---|---|---|---|---|---|
| Jan 6, 2026 | Zymeworks Inc. | Grant or award | +459 | $10.55 | $4,842 |
| Feb 23, 2024 | Tenaya Therapeutics Inc. | Grant or award | +35,000 | — | — |
| Feb 16, 2024 | Tenaya Therapeutics Inc. | Open-market sale | −5,201 | $5.86 | $30,478 |
| Aug 16, 2023 | Tenaya Therapeutics Inc. | Open-market sale | −4,452 | $3.81 | $16,962 |
Questions about Leone D. Patterson
What boards is Leone D. Patterson on?
Leone D. Patterson sits on the boards of Kalaris Therapeutics Inc., Nkarta Inc. and Quince Therapeutics Inc.
How long has Leone D. Patterson served on boards?
Our records show at least 5 years of board service across 3 boards, the earliest from 2023.
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