| $687M | ||
| $385M | ||
| $215M | ||
| $100M | ||
| $87M | ||
| $82M |
Buys | $0 | 0 | 0 |
Sells | $65,829,141 | 45 | 100 |
| POTTER MYRTLE S | director | 0 | $0 | 6 | $137,773 | $-137,773 |
| Joyce Meghan V. | director | 0 | $0 | 4 | $172,594 | $-172,594 |
| Tariq Musa | director | 0 | $0 | 12 | $225,687 | $-225,687 |
| Hidalgo Medina Manuel | director | 0 | $0 | 4 | $486,446 | $-486,446 |
| Kalia Kumud | Chief Information Officer | 0 | $0 | 4 | $669,336 | $-669,336 |
| Saia John G. | Chief Legal Officer | 0 | $0 | 1 | $865,865 | $-865,865 |
| Chudova Darya | Chief Technology Officer | 0 | $0 | 1 | $2.42M | $-2.42M |
| Freeman Chris | Chief Commercial Officer | 0 | $0 | 1 | $3.24M | $-3.24M |
| CLARK IAN T | director | 0 | $0 | 2 | $3.39M | $-3.39M |
| Monroe Terilyn J. | Chief People Officer | 0 | $0 | 1 | $5.85M | $-5.85M |
| Bell Michael Brian | Chief Financial Officer | 0 | $0 | 1 | $8.29M | $-8.29M |
| Eltoukhy Helmy | Co-Chief Executive Officer | 0 | $0 | 1 | $17.84M | $-17.84M |
| Talasaz AmirAli | Co-Chief Executive Officer | 0 | $0 | 7 | $22.25M | $-22.25M |
Guardant Health, Inc., a precision oncology company, provides blood tests, data sets, and analytics in the United States and internationally. The company offers Guardant360, Guardant360 LDT, Guardant360 CDx, and GuardantOMNI liquid biopsy-based tests for advanced stage cancer; and GuardantINFORM, an in-silico research platform that comprise a clinical-genomic liquid biopsy dataset of advanced cancer patients. It is also developing LUNAR-2 test for the early detection of colorectal cancer in asymptomatic individuals eligible; and GuardantConnect, an integrated software-based solution for clinical and biopharmaceutical customers seeking to connect patients tested with the Guardant360 assay with actionable alterations with potentially relevant clinical trials. In addition, the company offers Guardant Reveal Test for neoadjuvant and adjuvant treatment selection in early-stage cancer patients; Guardant360 tissue genotyping product; and Guardant-19 for use in the detection of the novel coronavirus. Further, it offers development services, including companion diagnostic development and regulatory approval, clinical study setup, monitoring and maintenance, testing development and support, and kits fulfillment related services to biopharmaceutical companies and medical institutions. The company was incorporated in 2011 and is headquartered in Redwood City, California.
Over the last 12 months, insiders at Guardant Health, Inc. have bought $0 and sold $65.83M worth of Guardant Health, Inc. stock.
On average, over the past 5 years, insiders at Guardant Health, Inc. have bought $8.18M and sold $100.64M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 2,187 shares for transaction amount of $38,963 was made by Kalia Kumud (Chief Information Officer) on 2024‑03‑18.
| 2025-12-08 | Sale | Talasaz AmirAli | Co-Chief Executive Officer | 50,000 0.0406% | $105.05 | $5.25M | -2.54% | |
| 2025-12-08 | Sale | Kalia Kumud | Chief Information Officer | 2,000 0.0016% | $104.60 | $209,204 | -2.54% | |
| 2025-12-08 | Sale | Chudova Darya | Chief Technology Officer | 22,935 0.0187% | $105.43 | $2.42M | -2.54% | |
| 2025-12-08 | Sale | Hidalgo Medina Manuel | director | 1,250 0.001% | $105.00 | $131,250 | -2.54% | |
| 2025-12-05 | Sale | Bell Michael Brian | Chief Financial Officer | 80,362 0.0654% | $103.14 | $8.29M | -3.77% | |
| 2025-12-05 | Sale | Freeman Chris | Chief Commercial Officer | 31,452 0.0256% | $103.07 | $3.24M | -3.77% | |
| 2025-12-05 | Sale | CLARK IAN T | director | 28,611 0.0242% | $107.19 | $3.07M | -3.77% | |
| 2025-12-01 | Sale | Monroe Terilyn J. | Chief People Officer | 55,167 0.0448% | $105.97 | $5.85M | -1.48% | |
| 2025-11-19 | Sale | Tariq Musa | director | 116 <0.0001% | $96.25 | $11,165 | +5.85% | |
| 2025-11-07 | Sale | Saia John G. | Chief Legal Officer | 8,996 0.0075% | $96.25 | $865,865 | +6.86% | |
| 2025-11-07 | Sale | Hidalgo Medina Manuel | director | 1,000 0.0008% | $95.17 | $95,165 | +6.86% | |
| 2025-11-07 | Sale | Hidalgo Medina Manuel | director | 1,500 0.0012% | $95.19 | $142,780 | +6.86% | |
| 2025-10-17 | Sale | POTTER MYRTLE S | director | 26 <0.0001% | $66.95 | $1,741 | +49.76% | |
| 2025-10-17 | Sale | Tariq Musa | director | 116 <0.0001% | $66.95 | $7,766 | +49.76% | |
| 2025-09-17 | Sale | POTTER MYRTLE S | director | 26 <0.0001% | $55.63 | $1,446 | +62.12% | |
| 2025-09-17 | Sale | Tariq Musa | director | 116 <0.0001% | $55.63 | $6,453 | +62.12% | |
| 2025-09-12 | Sale | Hidalgo Medina Manuel | director | 2,165 0.0017% | $54.16 | $117,251 | +31.64% | |
| 2025-09-09 | Sale | Eltoukhy Helmy | Co-Chief Executive Officer | 300,000 0.2406% | $59.45 | $17.84M | +20.29% | |
| 2025-09-02 | Sale | Joyce Meghan V. | director | 100 <0.0001% | $65.84 | $6,584 | +4.62% | |
| 2025-08-21 | Sale | Kalia Kumud | Chief Information Officer | 2,000 0.0016% | $61.76 | $123,510 | +10.13% |
| Eltoukhy Helmy | Co-Chief Executive Officer | 2123499 1.7104% | $217.96M | 4 | 38 | <0.0001% |
| Talasaz AmirAli | Co-Chief Executive Officer | 168223 0.1355% | $17.27M | 4 | 55 | <0.0001% |
| Saia John G. | Chief Legal Officer | 43172 0.0348% | $4.43M | 0 | 1 | |
| Bell Michael Brian | Chief Financial Officer | 28052 0.0226% | $2.88M | 0 | 1 | |
| Freeman Chris | Chief Commercial Officer | 25987 0.0209% | $2.67M | 0 | 1 | |
| Kalia Kumud | Chief Information Officer | 22365 0.018% | $2.3M | 2 | 10 | +22.77% |
| Monroe Terilyn J. | Chief People Officer | 20920 0.0169% | $2.15M | 0 | 1 | |
| POTTER MYRTLE S | director | 18324 0.0148% | $1.88M | 0 | 6 | |
| Chudova Darya | Chief Technology Officer | 12463 0.01% | $1.28M | 0 | 1 | |
| Joyce Meghan V. | director | 11183 0.009% | $1.15M | 0 | 11 | |
| CLARK IAN T | director | 9851 0.0079% | $1.01M | 0 | 42 | |
| Tariq Musa | director | 7859 0.0063% | $806,647.76 | 0 | 13 | |
| Hidalgo Medina Manuel | director | 797 0.0006% | $81,804.08 | 0 | 4 | |
| SOFTBANK VISION FUND (AIV M1) L.P. | 10 percent owner | 27850460 22.4329% | $2.86B | 1 | 0 | +5.91% |
| SVF Bluebird (Cayman) Ltd | 10 percent owner | 7037960 5.6689% | $722.38M | 0 | 4 | |
| Wiley Michael J | Chief Legal Officer | 111171 0.0895% | $11.41M | 0 | 13 | |
| Lanman Richard B. | Chief Medical Officer | 82015 0.0661% | $8.42M | 0 | 7 | |
| Merrill Amelia | SVP, People | 20208 0.0163% | $2.07M | 0 | 1 | |
| Kaul Samir | director | 14943 0.012% | $1.53M | 0 | 7 | |
| BERTOCCI DEREK A | Chief Financial Officer | 6373 0.0051% | $654,124.72 | 0 | 11 | |
| MERESMAN STANLEY J | 4059 0.0033% | $416,615.76 | 0 | 36 | ||
| Nishar Dipchand | director | 2321 0.0019% | $238,227.44 | 0 | 1 |
| Increased Positions | 204 | +50.75% | 19M | +14.97% |
| Decreased Positions | 174 | -43.28% | 19M | -15.5% |
| New Positions | 71 | New | 4M | New |
| Sold Out Positions | 38 | Sold Out | 3M | Sold Out |
| Total Postitions | 432 | +7.46% | 124M | -0.53% |
| Vanguard Group Inc | $1.22M | 9.23% | 11.91M | -259,191 | -2.13% | 2025-09-30 |
| Blackrock, Inc. | $1.17M | 8.86% | 11.43M | +449,845 | +4.1% | 2025-09-30 |
| Baillie Gifford & Co | $523,384.00 | 3.98% | 5.13M | +317,906 | +6.61% | 2025-09-30 |
| Invesco Ltd. | $503,158.00 | 3.82% | 4.93M | +1M | +38.53% | 2025-09-30 |
| Capital International Investors | $478,631.00 | 3.64% | 4.69M | -287,217 | -5.77% | 2025-09-30 |
| Price T Rowe Associates Inc /Md/ | $430,902.00 | 3.27% | 4.22M | +2M | +139.11% | 2025-09-30 |
| Deep Track Capital, Lp | $424,008.00 | 3.22% | 4.15M | -95,914 | -2.26% | 2025-09-30 |
| Eventide Asset Management, Llc | $339,009.00 | 2.58% | 3.32M | -137,625 | -3.98% | 2025-09-30 |
| Wellington Management Group Llp | $331,634.00 | 2.52% | 3.25M | +1M | +68.96% | 2025-09-30 |
| Geode Capital Management, Llc | $299,744.00 | 2.28% | 2.94M | +15,942 | +0.55% | 2025-09-30 |