Timothy P. Walbert
Sits on 7 boards. Overboarded · 7 public boards Last updated September 27, 2026
Time on boards
- Boards served
- 7
- Current seats
- 7
- Board service
- 12 years
- Director since
- 2023
12 years of board service in total across 7 boards, counting each seat separately. Longest: Mirum Pharmaceuticals 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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Mirum Pharmaceuticals Inc. June 15, 202669.7%
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BioMarin Pharmaceutical Inc. June 2, 202696.6%
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BioMarin Pharmaceutical Inc. May 20, 202599.6%
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Sagimet Biosciences Inc. June 5, 202499.5%
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Century Therapeutics Inc. June 27, 202392.5%
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Mirum Pharmaceuticals Inc. June 12, 202388.7%
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 17, 2026 | Kardigan Inc. | Grant or award | +20,706 | — | — |
| Jun 2, 2026 | BioMarin Pharmaceutical Inc. | Grant or award | +7,490 | — | — |
| May 29, 2026 | Mirum Pharmaceuticals Inc. | Option exercise | +3,977 | — | — |
| May 29, 2025 | Mirum Pharmaceuticals Inc. | Option exercise | +5,703 | — | — |
| May 20, 2025 | BioMarin Pharmaceutical Inc. | Grant or award | +6,650 | — | — |
| Feb 24, 2025 | BioMarin Pharmaceutical Inc. | Grant or award | +3,130 | — | — |
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