Timothy T. Goodnow
President and CEO at Senseonics Holdings Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 3 years
- Director since
- 2023
3 years of board service in total across 1 board, counting each seat separately. Longest: Senseonics Holdings Inc., 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Senseonics Holdings Inc. May 20, 202682.9%
-
Senseonics Holdings Inc. May 17, 202383.1%
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 |
|---|---|---|---|---|---|
| Jun 15, 2026 | Senseonics Holdings Inc. | Shares withheld for tax | −32,598 | $7.18 | $234,054 |
| May 19, 2026 | Senseonics Holdings Inc. | Grant or award | +553,701 | — | — |
| May 15, 2026 | Senseonics Holdings Inc. | Shares withheld for tax | −28,598 | $5.82 | $166,440 |
| Mar 13, 2026 | Senseonics Holdings Inc. | Open-market purchase | +17,225 | $5.79 | $99,733 |
| Nov 15, 2025 | Senseonics Holdings Inc. | Shares withheld for tax | −27,067 | $6.26 | $169,439 |
| Nov 7, 2025 | Senseonics Holdings Inc. | Open-market purchase | −17,210 | $5.87 | $101,023 |
| Jun 16, 2025 | Senseonics Holdings Inc. | Shares withheld for tax | −79,646 | $0.51 | $40,619 |
| May 23, 2025 | Senseonics Holdings Inc. | Grant or award | +2,025,956 | — | — |
| May 15, 2025 | Senseonics Holdings Inc. | Shares withheld for tax | −379,164 | $0.55 | $208,540 |
| Dec 10, 2024 | Senseonics Holdings Inc. | Open-market purchase | +315,000 | $0.31 | $97,650 |
| Nov 15, 2024 | Senseonics Holdings Inc. | Shares withheld for tax | −632,166 | $0.28 | $177,006 |
| Jun 15, 2024 | Senseonics Holdings Inc. | Shares withheld for tax | −275,206 | $0.39 | $107,330 |
| May 23, 2024 | Senseonics Holdings Inc. | Grant or award | +4,553,551 | — | — |
| May 15, 2024 | Senseonics Holdings Inc. | Shares withheld for tax | −359,114 | $0.50 | $179,557 |
| Nov 15, 2023 | Senseonics Holdings Inc. | Shares withheld for tax | −591,945 | $0.61 | $361,086 |
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