Helmy Eltoukhy
Co-Chief Executive Officer at Guardant Health Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Guardant Health 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.
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Guardant Health Inc. June 12, 202498.5%
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 |
|---|---|---|---|---|---|
| Aug 26, 2026 | Guardant Health Inc. | Other | −25,000 | — | — |
| Aug 26, 2026 | Guardant Health Inc. | Other | +25,000 | — | — |
| Aug 26, 2026 | Guardant Health Inc. | Gift | −30,000 | — | — |
| Aug 11, 2026 | Guardant Health Inc. | Gift | −35,000 | — | — |
| Aug 11, 2026 | Guardant Health Inc. | Gift | +35,000 | — | — |
| Jul 1, 2026 | Guardant Health Inc. | Option exercise | +23,997 | — | — |
| Jul 1, 2026 | Guardant Health Inc. | Option exercise | +9,715 | — | — |
| Jul 1, 2026 | Guardant Health Inc. | Shares withheld for tax | −17,086 | $170.77 | $2,917,776 |
| Jun 30, 2026 | Guardant Health Inc. | Option exercise | +2,817 | — | — |
| Jun 30, 2026 | Guardant Health Inc. | Shares withheld for tax | −1,428 | $150.03 | $214,243 |
| Jun 5, 2026 | Guardant Health Inc. | Open-market sale | −49,716 | $125.57 | $6,242,838 |
| Jun 5, 2026 | Guardant Health Inc. | Open-market sale | −33,843 | $126.33 | $4,275,386 |
| Jun 5, 2026 | Guardant Health Inc. | Open-market sale | −1,100 | $127.02 | $139,722 |
| Jun 5, 2026 | Guardant Health Inc. | Open-market sale | −13,787 | $128.25 | $1,768,183 |
| Jun 5, 2026 | Guardant Health Inc. | Open-market sale | −554 | $130.21 | $72,136 |
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