Ian T. Clark
Sits on 8 boards. Overboarded · 8 public boards Last updated September 28, 2026
Time on boards
- Boards served
- 8
- Current seats
- 8
- Board service
- 21 years
- Director since
- 2023
21 years of board service in total across 8 boards, counting each seat separately. Longest: Tectonic Therapeutic 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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Guardant Health Inc. June 17, 202665.0%
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BioMarin Pharmaceutical Inc. June 2, 202688.3%
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Kyverna Therapeutics Inc. May 27, 202690.6%
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Corvus Pharmaceuticals Inc. June 12, 202573.5%
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Olema Pharmaceuticals Inc. June 13, 202473.7%
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Guardant Health Inc. June 14, 202362.4%
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Tectonic Therapeutic Inc. June 9, 202379.6%
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 |
|---|---|---|---|---|---|
| Aug 4, 2026 | Guardant Health Inc. | Option exercise | +2,255 | $91.11 | $205,453 |
| Aug 4, 2026 | Guardant Health Inc. | Option exercise | +6,833 | $50.57 | $345,545 |
| Aug 4, 2026 | Guardant Health Inc. | Open-market sale | −9,088 | $158.98 | $1,444,810 |
| Aug 4, 2026 | Guardant Health Inc. | Open-market sale | −5,092 | $158.80 | $808,610 |
| Jun 17, 2026 | Guardant Health Inc. | Option exercise | +5,092 | — | — |
| Jun 2, 2026 | BioMarin Pharmaceutical Inc. | Grant or award | +7,490 | — | — |
| May 27, 2026 | Kyverna Therapeutics Inc. | Grant or award | +5,093 | — | — |
| May 20, 2026 | Guardant Health Inc. | Open-market sale | −6,876 | $106.90 | $735,044 |
| Dec 19, 2025 | Olema Pharmaceuticals Inc. | Option exercise | +209,690 | $4.41 | $924,733 |
| Dec 19, 2025 | Olema Pharmaceuticals Inc. | Option exercise | +21,520 | $3.61 | $77,687 |
| Dec 19, 2025 | Olema Pharmaceuticals Inc. | Option exercise | +21,520 | $7.84 | $168,717 |
| Dec 19, 2025 | Olema Pharmaceuticals Inc. | Option exercise | +12,070 | $4.08 | $49,246 |
| Dec 19, 2025 | Olema Pharmaceuticals Inc. | Open-market sale | −29,904 | $28.83 | $862,132 |
| Dec 19, 2025 | Olema Pharmaceuticals Inc. | Open-market sale | −193,056 | $29.71 | $5,735,694 |
| Dec 19, 2025 | Olema Pharmaceuticals Inc. | Open-market sale | −41,840 | $30.48 | $1,275,283 |
Questions about Ian T. Clark
What boards is Ian T. Clark on?
Ian T. Clark sits on the boards of BioMarin Pharmaceutical Inc., Corvus Pharmaceuticals Inc., GoodRx Holdings Inc., Guardant Health Inc., Kyverna Therapeutics Inc., Olema Pharmaceuticals Inc., Takeda Pharmaceutical Company Limited and Tectonic Therapeutic Inc.
How long has Ian T. Clark served on boards?
Our records show at least 21 years of board service across 8 boards, the earliest from 2023.
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