17 insiders reported 639 Form 4 transactions for Guardant Health, Inc. (GH) over the past 18 months (most recent 2026-08-18). Recent activity: Tariq Musa (Director) Buy 250 shares, Hidalgo Medina Manuel (Director) Buy 232 shares, Tariq Musa (Director) Sell 116 shares, Monroe Terilyn J. (Chief People Officer) Buy 32,288 shares, Monroe Terilyn J. (Chief People Officer) Buy 14,012 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-18 | Tariq Musa | Director | Buy | 250 | $0 |
| 2026-08-18 | Hidalgo Medina Manuel | Director | Buy | 232 | $0 |
| 2026-08-18 | Tariq Musa | Director | Sell | 116 | $18,148 |
| 2026-08-13 | Monroe Terilyn J. | Chief People Officer | Buy | 32,288 | $650,280 |
| 2026-08-13 | Monroe Terilyn J. | Chief People Officer | Buy | 14,012 | $400,883 |
| 2026-08-13 | Monroe Terilyn J. | Chief People Officer | Sell | 3,704 | $605,286 |
| 2026-08-13 | Monroe Terilyn J. | Chief People Officer | Sell | 9,934 | $1.6M |
| 2026-08-13 | Monroe Terilyn J. | Chief People Officer | Sell | 19,014 | $3.1M |
| 2026-08-13 | Monroe Terilyn J. | Chief People Officer | Sell | 13,248 | $2.2M |
| 2026-08-13 | Monroe Terilyn J. | Chief People Officer | Sell | 400 | $67,168 |
| 2026-08-12 | Talasaz AmirAli | Co-Chief Executive Officer | Sell | 75,000 | $0 |
| 2026-08-12 | Saia John G. | Chief Legal Officer | Sell | 800 | $0 |
| 2026-08-12 | Eltoukhy Helmy | Co-Chief Executive Officer | Sell | 35,000 | $0 |
| 2026-08-12 | Eltoukhy Helmy | Co-Chief Executive Officer | Buy | 35,000 | $0 |
| 2026-08-12 | Talasaz AmirAli | Co-Chief Executive Officer | Buy | 75,000 | $0 |
| 2026-08-11 | Freeman Chris | Chief Commercial Officer | Buy | 35,412 | $3.9M |
| 2026-08-11 | Freeman Chris | Chief Commercial Officer | Buy | 28,193 | $799,835 |
| 2026-08-11 | Freeman Chris | Chief Commercial Officer | Sell | 3,463 | $579,639 |
| 2026-08-11 | Freeman Chris | Chief Commercial Officer | Sell | 7,365 | $1.2M |
| 2026-08-11 | Freeman Chris | Chief Commercial Officer | Sell | 35,364 | $6.0M |
| 2026-08-11 | Freeman Chris | Chief Commercial Officer | Sell | 17,413 | $3.0M |
| 2026-08-06 | Hidalgo Medina Manuel | Director | Buy | 950 | $30,922 |
| 2026-08-06 | Hidalgo Medina Manuel | Director | Sell | 950 | $155,748 |
| 2026-08-06 | Hidalgo Medina Manuel | Director | Sell | 750 | $123,454 |
| 2026-08-05 | CLARK IAN T | Director | Buy | 2,255 | $205,453 |
Source: SEC Form 4 filings · as of 2026-08-18