AmirAli Talasaz
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, 202499.5%
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 |
|---|---|---|---|---|---|
| Oct 1, 2026 | Guardant Health Inc. | Option exercise | +23,997 | — | — |
| Oct 1, 2026 | Guardant Health Inc. | Option exercise | +9,716 | — | — |
| Oct 1, 2026 | Guardant Health Inc. | Shares withheld for tax | −17,087 | $174.75 | $2,985,953 |
| Sep 30, 2026 | Guardant Health Inc. | Option exercise | +2,817 | — | — |
| Sep 30, 2026 | Guardant Health Inc. | Shares withheld for tax | −1,428 | $178.36 | $254,698 |
| Aug 21, 2026 | Guardant Health Inc. | Open-market sale | −9,023 | $168.20 | $1,517,669 |
| Aug 21, 2026 | Guardant Health Inc. | Open-market sale | −20,888 | $169.16 | $3,533,414 |
| Aug 21, 2026 | Guardant Health Inc. | Open-market sale | −7,589 | $170.29 | $1,292,331 |
| Aug 10, 2026 | Guardant Health Inc. | Gift | −75,000 | — | — |
| Aug 10, 2026 | Guardant Health Inc. | Gift | +75,000 | — | — |
| 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 |
Questions about AmirAli Talasaz
What boards is AmirAli Talasaz on?
AmirAli Talasaz sits on the board of Guardant Health Inc.
What company is AmirAli Talasaz the CEO of?
AmirAli Talasaz is Co-Chief Executive Officer of Guardant Health Inc.
How long has AmirAli Talasaz served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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