🕵️ Guardant Health, Inc. ($GH)
SEC insider & ownership activity, last 12 months · CIK 1576280 · every row links its SEC filing
Over the last 12 months insiders sold $171.2M against $78K of open-market buying. Talasaz Amirali sold $84.3M through a 10b5-1 trading plan in 28 lots (Dec–Aug). 8 planned sales are pending, the largest $1.4M (Chudova Darya). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $78K (1 lots) · 14 sellers, $171.2M (139 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Talasaz Amirali | 0 | – | 28 | $84.3M | Aug 21, 2026 |
| Eltoukhy Helmy | 0 | – | 9 | $22.0M | Jun 5, 2026 |
| Freeman Chris | 0 | – | 16 | $16.9M | Aug 10, 2026 |
| Terilyn J. Monroe | 0 | – | 19 | $15.9M | Aug 12, 2026 |
| Bell Michael Brian | 0 | – | 14 | $8.8M | Jun 5, 2026 |
| Ian T. Clark | 0 | – | 6 | $6.1M | Aug 4, 2026 |
| Kalia Kumud | 1 | $78K | 8 | $5.9M | Sep 11, 2026 |
| John G. Saia | 0 | – | 6 | $4.2M | May 27, 2026 |
| Chudova Darya | 0 | – | 3 | $3.0M | Dec 15, 2025 |
| Meghan V. Joyce | 0 | – | 4 | $1.3M | Jun 3, 2026 |
| Steve E. Krognes | 0 | – | 1 | $1.2M | Jun 4, 2026 |
| Hidalgo Medina Manuel | 0 | – | 11 | $936K | Aug 5, 2026 |
| Tariq Musa | 0 | – | 11 | $397K | Aug 17, 2026 |
| Myrtle S. Potter | 0 | – | 3 | $207K | Jun 22, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 5.2% | 13G | Jul 28, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.0% | 13G | Apr 30, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Tariq Musa | $20K | Sep 16, 2026 | filing ↗ |
| Alex M. Azar II | $145K | Sep 16, 2026 | filing ↗ |
| Steve E. Krognes | $1.2M | Sep 16, 2026 | filing ↗ |
| Chudova Darya | $1.4M | Sep 15, 2026 | filing ↗ |
| Kalia Kumud | $632K | Sep 11, 2026 | filing ↗ |
| Talasaz AmirAli | $6.3M | Aug 21, 2026 | filing ↗ |
| Tariq Musa | $18K | Aug 17, 2026 | filing ↗ |
| Terilyn J. Monroe | $7.6M | Aug 12, 2026 | filing ↗ |
| Freeman Chris | $10.8M | Aug 10, 2026 | filing ↗ |
| Hidalgo Medina Manuel | $279K | Aug 5, 2026 | filing ↗ |
| Meghan V. Joyce | $1.8M | Aug 5, 2026 | filing ↗ |
| Ian T. Clark | $2.3M | Aug 4, 2026 | filing ↗ |
| Tariq Musa | $19K | Jul 16, 2026 | filing ↗ |
| Meghan V. Joyce | $660K | Jul 1, 2026 | filing ↗ |
| Talasaz AmirAli | $39.2M | Jun 26, 2026 | filing ↗ |
| Meghan V. Joyce | $300K | Jun 26, 2026 | filing ↗ |
| Meghan V. Joyce | $280K | Jun 24, 2026 | filing ↗ |
| Myrtle S. Potter | $204K | Jun 22, 2026 | filing ↗ |
| Tariq Musa | $256K | Jun 22, 2026 | filing ↗ |
| Meghan V. Joyce | $813K | Jun 22, 2026 | filing ↗ |
| Tariq Musa | $15K | Jun 16, 2026 | filing ↗ |
| Kalia Kumud | $79K | Jun 12, 2026 | filing ↗ |
| Kalia Kumud | Jun 11, 2026 | filing ↗ | |
| Kalia Kumud | $652K | Jun 10, 2026 | filing ↗ |
| Eltoukhy Helmy | $12.6M | Jun 5, 2026 | filing ↗ |
| Bell Michael Brian | $257K | Jun 5, 2026 | filing ↗ |
| Steve E. Krognes | $1.2M | Jun 4, 2026 | filing ↗ |
| Meghan V. Joyce | $1.3M | Jun 3, 2026 | filing ↗ |
| Hidalgo Medina Manuel | $130K | May 28, 2026 | filing ↗ |
| Eagle Craig | $19.1M | May 22, 2026 | filing ↗ |
| Freeman Chris | $2.9M | May 22, 2026 | filing ↗ |
| John G. Saia | $3.2M | May 20, 2026 | filing ↗ |
| Ian T. Clark | $735K | May 20, 2026 | filing ↗ |
| Hidalgo Medina Manuel | $134K | May 20, 2026 | filing ↗ |
| Tariq Musa | $11K | May 18, 2026 | filing ↗ |
| Talasaz AmirAli | $26.1M | May 12, 2026 | filing ↗ |
| Tariq Musa | $10K | Apr 16, 2026 | filing ↗ |
| Terilyn J. Monroe | $355K | Apr 6, 2026 | filing ↗ |
| Tariq Musa | $31K | Mar 18, 2026 | filing ↗ |
| Bell Michael Brian | $261K | Mar 16, 2026 | filing ↗ |
| Hidalgo Medina Manuel | $119K | Mar 6, 2026 | filing ↗ |
| Kalia Kumud | $3.8M | Mar 4, 2026 | filing ↗ |
| Terilyn J. Monroe | $978K | Jan 21, 2026 | filing ↗ |
| Terilyn J. Monroe | $1.1M | Jan 7, 2026 | filing ↗ |
| Tariq Musa | $12K | Dec 17, 2025 | filing ↗ |
| Eltoukhy Helmy | $9.4M | Dec 15, 2025 | filing ↗ |
| Talasaz AmirAli | $10.5M | Dec 8, 2025 | filing ↗ |
| Chudova Darya | $3.0M | Dec 8, 2025 | filing ↗ |
| Hidalgo Medina Manuel | $131K | Dec 8, 2025 | filing ↗ |
| Kalia Kumud | $209K | Dec 8, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Jul 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 30, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 17, 2026 | filing ↗ |
| Earnings (2.02) | May 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 7, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 27, 2026 | filing ↗ |
| Earnings (2.02) | Feb 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 19, 2026 | filing ↗ |
| Earnings (2.02) | Jan 11, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 11, 2026 | filing ↗ |
| Material agreement (1.01) | Nov 4, 2025 | filing ↗ |
| New financial obligation (2.03) | Nov 4, 2025 | filing ↗ |
| Unregistered equity sale (3.02) | Nov 4, 2025 | filing ↗ |
| Other events (8.01) | Nov 4, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 4, 2025 | filing ↗ |
| Earnings (2.02) | Oct 29, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 29, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Sep 24, 2025 | filing ↗ |