Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 10 years
- Director since
- 2023
10 years of board service in total across 3 boards, counting each seat separately. Longest: Kalaris Therapeutics 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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4D Molecular Therapeutics Inc. June 17, 202682.3%
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Cabaletta Bio Inc. June 9, 202653.4%
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4D Molecular Therapeutics Inc. May 23, 202379.9%
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Kalaris Therapeutics Inc. May 11, 202380.9%
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 21, 2026 | Cabaletta Bio Inc. | Open-market purchase | +22,725 | $2.21 | $50,222 |
| Jun 6, 2024 | Kalaris Therapeutics Inc. | Grant or award | +35,000 | — | — |
| May 11, 2023 | Kalaris Therapeutics Inc. | Grant or award | +35,000 | — | — |
Questions about Shawn Tomasello
What boards is Shawn Tomasello on?
Shawn Tomasello sits on the boards of 4D Molecular Therapeutics Inc., Cabaletta Bio Inc. and Kalaris Therapeutics Inc.
How long has Shawn Tomasello served on boards?
Our records show at least 10 years of board service across 3 boards, the earliest from 2023.
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