Guardant Health, Inc. (GH) — insider trading
Health Care · NASDAQ
Guardant Health, Inc. (GH) has 246 reported SEC Form 4 insider transactions in our data, including 18 open-market sales among the most recent 100 (latest 2026-08-26).
Recent Form 4 transactions
Showing the 100 most recent of 246 recorded transactions. See all on SEC EDGAR →
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-26 | Eltoukhy Helmy | Director, Officer (Co-Chief Executive Officer) | Bona fide gift | 30,000 | — | $0 | Form 4 |
| 2026-08-26 | Eltoukhy Helmy | Director, Officer (Co-Chief Executive Officer) | Other acquisition or disposition | 25,000 | — | $0 | Form 4 |
| 2026-08-26 | Eltoukhy Helmy | Director, Officer (Co-Chief Executive Officer) | Other acquisition or disposition | 25,000 | — | $0 | Form 4 |
| 2026-08-21 | MIGNONE ROBERTO | Director | Option exercise / conversion (derivative) | 264 | — | $0 | Form 4 |
| 2026-08-21 | MIGNONE ROBERTO | Director | Option exercise / conversion | 264 | — | $0 | Form 4 |
| 2026-08-21 | Talasaz AmirAli | Director, Officer (Co-Chief Executive Officer) | Open-market sale | 7,589 | $170.29 | $1.29M | Form 4 |
| 2026-08-21 | Talasaz AmirAli | Director, Officer (Co-Chief Executive Officer) | Open-market sale | 20,888 | $169.16 | $3.53M | Form 4 |
| 2026-08-21 | Talasaz AmirAli | Director, Officer (Co-Chief Executive Officer) | Open-market sale | 9,023 | $168.20 | $1.52M | Form 4 |
| 2026-08-17 | Tariq Musa | Director | Open-market sale | 116 | $156.45 | $18.1K | Form 4 |
| 2026-08-17 | Hidalgo Medina Manuel | Director | Option exercise / conversion (derivative) | 232 | — | $0 | Form 4 |
| 2026-08-17 | Hidalgo Medina Manuel | Director | Option exercise / conversion | 232 | — | $0 | Form 4 |
| 2026-08-15 | Tariq Musa | Director | Option exercise / conversion (derivative) | 250 | — | $0 | Form 4 |
| 2026-08-15 | Tariq Musa | Director | Option exercise / conversion | 250 | — | $0 | Form 4 |
| 2026-08-12 | Monroe Terilyn J. | Officer (Chief People Officer) | Option exercise / conversion (derivative) | 14,012 | — | $0 | Form 4 |
| 2026-08-12 | Monroe Terilyn J. | Officer (Chief People Officer) | Option exercise / conversion (derivative) | 32,288 | — | $0 | Form 4 |
| 2026-08-12 | Monroe Terilyn J. | Officer (Chief People Officer) | Open-market sale | 400 | $167.92 | $67.2K | Form 4 |
| 2026-08-12 | Monroe Terilyn J. | Officer (Chief People Officer) | Open-market sale | 13,248 | $166.11 | $2.20M | Form 4 |
| 2026-08-12 | Monroe Terilyn J. | Officer (Chief People Officer) | Open-market sale | 19,014 | $165.16 | $3.14M | Form 4 |
| 2026-08-12 | Monroe Terilyn J. | Officer (Chief People Officer) | Open-market sale | 9,934 | $164.27 | $1.63M | Form 4 |
| 2026-08-12 | Monroe Terilyn J. | Officer (Chief People Officer) | Open-market sale | 3,704 | $163.41 | $605.3K | Form 4 |
| 2026-08-12 | Monroe Terilyn J. | Officer (Chief People Officer) | Option exercise / conversion | 14,012 | $28.61 | $400.9K | Form 4 |
| 2026-08-12 | Monroe Terilyn J. | Officer (Chief People Officer) | Option exercise / conversion | 32,288 | $20.14 | $650.3K | Form 4 |
| 2026-08-11 | Eltoukhy Helmy | Director, Officer (Co-Chief Executive Officer) | Bona fide gift | 35,000 | — | $0 | Form 4 |
| 2026-08-11 | Eltoukhy Helmy | Director, Officer (Co-Chief Executive Officer) | Bona fide gift | 35,000 | — | $0 | Form 4 |
| 2026-08-10 | Saia John G. | Officer (Chief Legal Officer) | Bona fide gift | 800 | — | $0 | Form 4 |
| 2026-08-10 | Talasaz AmirAli | Director, Officer (Co-Chief Executive Officer) | Bona fide gift | 75,000 | — | $0 | Form 4 |
| 2026-08-10 | Talasaz AmirAli | Director, Officer (Co-Chief Executive Officer) | Bona fide gift | 75,000 | — | $0 | Form 4 |
| 2026-08-10 | Freeman Chris | Officer (Chief Commercial Officer) | Option exercise / conversion (derivative) | 28,193 | — | $0 | Form 4 |
| 2026-08-10 | Freeman Chris | Officer (Chief Commercial Officer) | Option exercise / conversion (derivative) | 35,412 | — | $0 | Form 4 |
| 2026-08-10 | Freeman Chris | Officer (Chief Commercial Officer) | Open-market sale | 17,413 | $170.24 | $2.96M | Form 4 |
| 2026-08-10 | Freeman Chris | Officer (Chief Commercial Officer) | Open-market sale | 35,364 | $169.63 | $6.00M | Form 4 |
| 2026-08-10 | Freeman Chris | Officer (Chief Commercial Officer) | Open-market sale | 7,365 | $168.79 | $1.24M | Form 4 |
| 2026-08-10 | Freeman Chris | Officer (Chief Commercial Officer) | Open-market sale | 3,463 | $167.38 | $579.6K | Form 4 |
| 2026-08-10 | Freeman Chris | Officer (Chief Commercial Officer) | Option exercise / conversion | 28,193 | $28.37 | $799.8K | Form 4 |
| 2026-08-10 | Freeman Chris | Officer (Chief Commercial Officer) | Option exercise / conversion | 35,412 | $110.49 | $3.91M | Form 4 |
| 2026-08-05 | Hidalgo Medina Manuel | Director | Option exercise / conversion (derivative) | 950 | — | $0 | Form 4 |
| 2026-08-05 | Hidalgo Medina Manuel | Director | Open-market sale | 750 | $164.61 | $123.5K | Form 4 |
| 2026-08-05 | Hidalgo Medina Manuel | Director | Open-market sale | 950 | $163.95 | $155.7K | Form 4 |
| 2026-08-05 | Hidalgo Medina Manuel | Director | Option exercise / conversion | 950 | $32.55 | $30.9K | Form 4 |
| 2026-08-04 | CLARK IAN T | Director | Option exercise / conversion (derivative) | 6,833 | — | $0 | Form 4 |
| 2026-08-04 | CLARK IAN T | Director | Option exercise / conversion (derivative) | 2,255 | — | $0 | Form 4 |
| 2026-08-04 | CLARK IAN T | Director | Open-market sale | 5,092 | $158.80 | $808.6K | Form 4 |
| 2026-08-04 | CLARK IAN T | Director | Open-market sale | 9,088 | $158.98 | $1.44M | Form 4 |
| 2026-08-04 | CLARK IAN T | Director | Option exercise / conversion | 6,833 | $50.57 | $345.5K | Form 4 |
| 2026-08-04 | CLARK IAN T | Director | Option exercise / conversion | 2,255 | $91.11 | $205.5K | Form 4 |
| 2026-07-21 | MIGNONE ROBERTO | Director | Option exercise / conversion (derivative) | 264 | — | $0 | Form 4 |
| 2026-07-21 | MIGNONE ROBERTO | Director | Option exercise / conversion | 264 | — | $0 | Form 4 |
| 2026-07-17 | Hidalgo Medina Manuel | Director | Option exercise / conversion (derivative) | 232 | — | $0 | Form 4 |
| 2026-07-17 | Hidalgo Medina Manuel | Director | Option exercise / conversion | 232 | — | $0 | Form 4 |
| 2026-07-16 | Tariq Musa | Director | Open-market sale | 116 | $163.29 | $18.9K | Form 4 |
| 2026-07-15 | Tariq Musa | Director | Option exercise / conversion (derivative) | 250 | — | $0 | Form 4 |
| 2026-07-15 | Tariq Musa | Director | Option exercise / conversion | 250 | — | $0 | Form 4 |
| 2026-07-01 | Talasaz AmirAli | Director, Officer (Co-Chief Executive Officer) | Option exercise / conversion (derivative) | 9,715 | — | $0 | Form 4 |
| 2026-07-01 | Talasaz AmirAli | Director, Officer (Co-Chief Executive Officer) | Option exercise / conversion (derivative) | 23,997 | — | $0 | Form 4 |
| 2026-07-01 | Talasaz AmirAli | Director, Officer (Co-Chief Executive Officer) | Shares withheld for taxes / exercise cost | 17,086 | $170.77 | $2.92M | Form 4 |
| 2026-07-01 | Talasaz AmirAli | Director, Officer (Co-Chief Executive Officer) | Option exercise / conversion | 9,715 | — | $0 | Form 4 |
| 2026-07-01 | Talasaz AmirAli | Director, Officer (Co-Chief Executive Officer) | Option exercise / conversion | 23,997 | — | $0 | Form 4 |
| 2026-07-01 | Eltoukhy Helmy | Director, Officer (Co-Chief Executive Officer) | Option exercise / conversion (derivative) | 9,715 | — | $0 | Form 4 |
| 2026-07-01 | Eltoukhy Helmy | Director, Officer (Co-Chief Executive Officer) | Option exercise / conversion (derivative) | 23,997 | — | $0 | Form 4 |
| 2026-07-01 | Eltoukhy Helmy | Director, Officer (Co-Chief Executive Officer) | Shares withheld for taxes / exercise cost | 17,086 | $170.77 | $2.92M | Form 4 |
| 2026-07-01 | Eltoukhy Helmy | Director, Officer (Co-Chief Executive Officer) | Option exercise / conversion | 9,715 | — | $0 | Form 4 |
| 2026-07-01 | Eltoukhy Helmy | Director, Officer (Co-Chief Executive Officer) | Option exercise / conversion | 23,997 | — | $0 | Form 4 |
| 2026-07-01 | Bell Michael Brian | Officer (Chief Financial Officer) | Option exercise / conversion (derivative) | 1,870 | — | $0 | Form 4 |
| 2026-07-01 | Bell Michael Brian | Officer (Chief Financial Officer) | Option exercise / conversion (derivative) | 3,324 | — | $0 | Form 4 |
| 2026-07-01 | Bell Michael Brian | Officer (Chief Financial Officer) | Option exercise / conversion (derivative) | 2,084 | — | $0 | Form 4 |
| 2026-07-01 | Bell Michael Brian | Officer (Chief Financial Officer) | Shares withheld for taxes / exercise cost | 3,914 | $170.77 | $668.4K | Form 4 |
| 2026-07-01 | Bell Michael Brian | Officer (Chief Financial Officer) | Option exercise / conversion | 1,870 | — | $0 | Form 4 |
| 2026-07-01 | Bell Michael Brian | Officer (Chief Financial Officer) | Option exercise / conversion | 3,324 | — | $0 | Form 4 |
| 2026-07-01 | Bell Michael Brian | Officer (Chief Financial Officer) | Option exercise / conversion | 2,084 | — | $0 | Form 4 |
| 2026-07-01 | Chudova Darya | Officer (Chief Technology Officer) | Option exercise / conversion (derivative) | 1,700 | — | $0 | Form 4 |
| 2026-07-01 | Chudova Darya | Officer (Chief Technology Officer) | Option exercise / conversion (derivative) | 3,324 | — | $0 | Form 4 |
| 2026-07-01 | Chudova Darya | Officer (Chief Technology Officer) | Option exercise / conversion (derivative) | 1,667 | — | $0 | Form 4 |
| 2026-07-01 | Chudova Darya | Officer (Chief Technology Officer) | Option exercise / conversion (derivative) | 1,339 | — | $0 | Form 4 |
| 2026-07-01 | Chudova Darya | Officer (Chief Technology Officer) | Shares withheld for taxes / exercise cost | 4,318 | $170.77 | $737.4K | Form 4 |
| 2026-07-01 | Chudova Darya | Officer (Chief Technology Officer) | Option exercise / conversion | 1,700 | — | $0 | Form 4 |
| 2026-07-01 | Chudova Darya | Officer (Chief Technology Officer) | Option exercise / conversion | 3,324 | — | $0 | Form 4 |
| 2026-07-01 | Chudova Darya | Officer (Chief Technology Officer) | Option exercise / conversion | 1,667 | — | $0 | Form 4 |
| 2026-07-01 | Chudova Darya | Officer (Chief Technology Officer) | Option exercise / conversion | 1,339 | — | $0 | Form 4 |
| 2026-07-01 | Freeman Chris | Officer (Chief Commercial Officer) | Option exercise / conversion (derivative) | 1,293 | — | $0 | Form 4 |
| 2026-07-01 | Freeman Chris | Officer (Chief Commercial Officer) | Option exercise / conversion (derivative) | 2,526 | — | $0 | Form 4 |
| 2026-07-01 | Freeman Chris | Officer (Chief Commercial Officer) | Option exercise / conversion (derivative) | 1,667 | — | $0 | Form 4 |
| 2026-07-01 | Freeman Chris | Officer (Chief Commercial Officer) | Option exercise / conversion (derivative) | 1,928 | — | $0 | Form 4 |
| 2026-07-01 | Freeman Chris | Officer (Chief Commercial Officer) | Shares withheld for taxes / exercise cost | 3,141 | $170.77 | $536.4K | Form 4 |
| 2026-07-01 | Freeman Chris | Officer (Chief Commercial Officer) | Option exercise / conversion | 1,293 | — | $0 | Form 4 |
| 2026-07-01 | Freeman Chris | Officer (Chief Commercial Officer) | Option exercise / conversion | 2,526 | — | $0 | Form 4 |
| 2026-07-01 | Freeman Chris | Officer (Chief Commercial Officer) | Option exercise / conversion | 1,667 | — | $0 | Form 4 |
| 2026-07-01 | Freeman Chris | Officer (Chief Commercial Officer) | Option exercise / conversion | 1,928 | — | $0 | Form 4 |
| 2026-07-01 | Kalia Kumud | Officer (Chief Information Officer) | Option exercise / conversion (derivative) | 1,361 | — | $0 | Form 4 |
| 2026-07-01 | Kalia Kumud | Officer (Chief Information Officer) | Option exercise / conversion (derivative) | 1,994 | — | $0 | Form 4 |
| 2026-07-01 | Kalia Kumud | Officer (Chief Information Officer) | Option exercise / conversion (derivative) | 1,084 | — | $0 | Form 4 |
| 2026-07-01 | Kalia Kumud | Officer (Chief Information Officer) | Option exercise / conversion (derivative) | 1,607 | — | $0 | Form 4 |
| 2026-07-01 | Kalia Kumud | Officer (Chief Information Officer) | Shares withheld for taxes / exercise cost | 3,066 | $170.77 | $523.6K | Form 4 |
| 2026-07-01 | Kalia Kumud | Officer (Chief Information Officer) | Option exercise / conversion | 1,361 | — | $0 | Form 4 |
| 2026-07-01 | Kalia Kumud | Officer (Chief Information Officer) | Option exercise / conversion | 1,994 | — | $0 | Form 4 |
| 2026-07-01 | Kalia Kumud | Officer (Chief Information Officer) | Option exercise / conversion | 1,084 | — | $0 | Form 4 |
| 2026-07-01 | Kalia Kumud | Officer (Chief Information Officer) | Option exercise / conversion | 1,607 | — | $0 | Form 4 |
| 2026-07-01 | Monroe Terilyn J. | Officer (Chief People Officer) | Option exercise / conversion (derivative) | 1,361 | — | $0 | Form 4 |
| 2026-07-01 | Monroe Terilyn J. | Officer (Chief People Officer) | Option exercise / conversion (derivative) | 2,659 | — | $0 | Form 4 |
| 2026-07-01 | Monroe Terilyn J. | Officer (Chief People Officer) | Shares withheld for taxes / exercise cost | 2,099 | $170.77 | $358.4K | Form 4 |
| 2026-07-01 | Monroe Terilyn J. | Officer (Chief People Officer) | Option exercise / conversion | 1,361 | — | $0 | Form 4 |
Ask the chat about GH's insider activity →
Transaction types are the SEC Form 4 codes: open-market purchases (P) and sales (S) are the only rows that reflect open-market conviction. Awards/vesting (A), option exercises (M/X/C), shares withheld for taxes (F) and gifts (G) are compensation or mechanical, not buying or selling on the open market. Sales may be planned and non-discretionary (e.g. a Rule 10b5-1 plan); open-market buying is not a recommendation to buy. Informational only — not financial advice.
Source: SEC EDGAR Form 3/4/5. See the full company profile: Guardant Health, Inc. (GH).
Last updated 2026-08-26 (most recent filing date).
Informational only — NOT financial advice. Insider filings are sourced from SEC EDGAR and shown with their reported dates.