Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 6 years
- Director since
- 2023
6 years of board service in total across 3 boards, counting each seat separately. Longest: Q/C Technologies Inc., 3 years.
Q/C Technologies Inc.
Director
Telomir Pharmaceuticals Inc.
Director
OS Therapies Incorporated
Director
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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OS Therapies Incorporated September 9, 202699.1%
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 |
|---|---|---|---|---|---|
| Apr 1, 2026 | Guardant Health Inc. | Option exercise | +1,714 | — | — |
| Apr 1, 2026 | Guardant Health Inc. | Option exercise | +1,667 | — | — |
| Apr 1, 2026 | Guardant Health Inc. | Option exercise | +2,660 | — | — |
| Apr 1, 2026 | Guardant Health Inc. | Option exercise | +5,359 | — | — |
| Apr 1, 2026 | Guardant Health Inc. | Shares withheld for tax | −5,779 | $91.15 | $526,756 |
| Mar 15, 2026 | Guardant Health Inc. | Option exercise | +13,712 | — | — |
| Mar 15, 2026 | Guardant Health Inc. | Option exercise | +1,402 | — | — |
| Mar 15, 2026 | Guardant Health Inc. | Shares withheld for tax | −7,661 | $85.49 | $654,939 |
| Jan 1, 2026 | Guardant Health Inc. | Option exercise | +1,714 | — | — |
| Jan 1, 2026 | Guardant Health Inc. | Option exercise | +13,714 | — | — |
| Jan 1, 2026 | Guardant Health Inc. | Option exercise | +1,667 | — | — |
| Jan 1, 2026 | Guardant Health Inc. | Option exercise | +5,688 | — | — |
| Jan 1, 2026 | Guardant Health Inc. | Option exercise | +2,659 | — | — |
| Jan 1, 2026 | Guardant Health Inc. | Shares withheld for tax | −11,522 | $102.14 | $1,176,857 |
| Dec 15, 2025 | Guardant Health Inc. | Option exercise | +1,402 | — | — |
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