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: Merit Medical Systems 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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TransMedics Group Inc. May 20, 202698.4%
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TransMedics Group Inc. May 22, 202598.7%
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Merit Medical Systems Inc. May 14, 202597.5%
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TransMedics Group Inc. May 23, 202498.5%
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TransMedics Group Inc. May 25, 202399.5%
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 |
|---|---|---|---|---|---|
| Jun 15, 2026 | TransMedics Group Inc. | Option exercise | +19,285 | $2.21 | $42,620 |
| Jun 15, 2026 | TransMedics Group Inc. | Open-market sale | −9,624 | $75.06 | $722,377 |
| May 20, 2026 | TransMedics Group Inc. | Grant or award | +2,922 | — | — |
| May 20, 2026 | Merit Medical Systems Inc. | Option exercise | +13,750 | $52.17 | $717,338 |
| May 20, 2026 | Merit Medical Systems Inc. | Option exercise | +7,500 | $52.17 | $391,275 |
| May 18, 2026 | Merit Medical Systems Inc. | Grant or award | +3,457 | — | — |
| May 22, 2025 | TransMedics Group Inc. | Grant or award | +2,134 | — | — |
| May 15, 2025 | Merit Medical Systems Inc. | Grant or award | +2,152 | — | — |
| Feb 28, 2025 | Merit Medical Systems Inc. | Option exercise | +25,000 | $50.50 | $1,262,500 |
| Feb 28, 2025 | Merit Medical Systems Inc. | Shares withheld for tax | −12,806 | $99.95 | $1,279,960 |
| May 23, 2024 | TransMedics Group Inc. | Grant or award | +732 | — | — |
| May 16, 2024 | Merit Medical Systems Inc. | Grant or award | +2,431 | — | — |
| Mar 4, 2024 | Merit Medical Systems Inc. | Option exercise | +25,000 | $34.40 | $860,000 |
| Mar 4, 2024 | Merit Medical Systems Inc. | Open-market sale | −18,157 | $76.03 | $1,380,477 |
| May 25, 2023 | TransMedics Group Inc. | Grant or award | +1,193 | — | — |
Questions about Thomas James Gunderson
What boards is Thomas James Gunderson on?
Thomas James Gunderson sits on the boards of Merit Medical Systems Inc. and TransMedics Group Inc.
How long has Thomas James Gunderson served on boards?
Our records show at least 7 years of board service across 2 boards, the earliest from 2023.
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