Time on boards
- Boards served
- 4
- Current seats
- 4
- Board service
- 11 years
- Director since
- 2023
11 years of board service in total across 4 boards, counting each seat separately. Longest: Invivyd 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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Exelixis Inc. May 31, 202381.6%
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 24, 2026 | Legend Biotech Corporation | Grant or award | +20,986 | — | — |
| May 27, 2026 | Exelixis Inc. | Grant or award | +8,367 | — | — |
| May 29, 2025 | Exelixis Inc. | Grant or award | +9,812 | — | — |
| May 21, 2025 | Exelixis Inc. | Open-market sale | −4,544 | $44.29 | $201,254 |
| May 31, 2024 | Exelixis Inc. | Grant or award | +18,838 | — | — |
| May 31, 2023 | Exelixis Inc. | Grant or award | +18,176 | — | — |
Questions about Tomas J. Heyman
What boards is Tomas J. Heyman on?
Tomas J. Heyman sits on the boards of Exelixis Inc., Invivyd Inc., Legend Biotech Corporation and Xilio Therapeutics Inc.
How long has Tomas J. Heyman served on boards?
Our records show at least 11 years of board service across 4 boards, the earliest from 2023.
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