GH Insider Trading
Guardant Health, Inc. | Services-Medical Laboratories
Comprehensive Trading Performance Summary
The investment history of corporate insiders at Guardant Health, Inc. provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Services-Medical Laboratories sector.
Transactions on Chart
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2026-04-07 21:40 | 2026-04-06 | Monroe Terilyn J. | Officer - Chief People Officer | SELL | $92.68 | 3,832 | $355,150 | 20,990 | -15.4% |
| 2026-03-19 21:16 | 2026-03-18 | Tariq Musa | Director | SELL | $88.09 | 348 | $30,655 | 8,394 | -4.0% |
| 2026-03-17 22:46 | 2026-03-16 | Bell Michael Brian | Officer - Chief Financial Officer | OPT+S | $87.04 | 3,000 | $261,111 | 43,601 | 0.0% |
| 2026-03-09 22:38 | 2026-03-06 | Hidalgo Medina Manuel | Director | OPT+S | $91.54 | 1,300 | $118,997 | 1,193 | 0.0% |
| 2026-03-06 01:44 | 2026-03-04 | Kalia Kumud | Officer - Chief Information Officer | OPT+S | $95.32 | 40,000 | $3,812,660 | 37,643 | 0.0% |
| 2026-01-23 01:45 | 2026-01-21 | Monroe Terilyn J. | Officer - Chief People Officer | SELL | $114.09 | 8,571 | $977,902 | 20,990 | -29.0% |
| 2026-01-10 00:09 | 2026-01-07 | Monroe Terilyn J. | Officer - Chief People Officer | SELL | $112.08 | 10,031 | $1,124,279 | 20,990 | -32.3% |
| 2025-12-19 02:33 | 2025-12-17 | Tariq Musa | Director | SELL | $101.46 | 116 | $11,769 | 7,993 | -1.4% |
| 2025-12-18 03:17 | 2025-12-15 | Chudova Darya | Officer - Chief Technology Officer | SELL | $104.04 | 5,451 | $567,132 | 7,012 | -43.7% |
| 2025-12-18 03:18 | 2025-12-15 | Eltoukhy Helmy | Director, Officer - Co-Chief Executive Officer | SELL | $103.82 | 90,565 | $9,402,223 | 2,047,143 | -4.2% |
| 2025-12-11 05:31 | 2025-12-08 | Chudova Darya | Officer - Chief Technology Officer | SELL | $105.43 | 22,935 | $2,417,980 | 54,480 | -29.6% |
| 2025-12-11 05:32 | 2025-12-08 | Kalia Kumud | Officer - Chief Information Officer | SELL | $104.60 | 2,000 | $209,204 | 22,365 | -8.2% |
| 2025-12-11 05:32 | 2025-12-08 | Hidalgo Medina Manuel | Director | OPT+S | $105.00 | 1,250 | $131,250 | 797 | 0.0% |
| 2025-12-11 05:33 | 2025-12-08 | Talasaz AmirAli | Director, Officer - Co-Chief Executive Officer | SELL | $105.05 | 100,000 | $10,505,470 | 168,223 | -37.3% |
| 2025-12-09 05:37 | 2025-12-05 | Freeman Chris | Officer - Chief Commercial Officer | SELL | $103.07 | 31,452 | $3,241,622 | 25,987 | -54.8% |
| 2025-12-09 05:37 | 2025-12-05 | Bell Michael Brian | Officer - Chief Financial Officer | OPT+S | $103.14 | 80,362 | $8,288,738 | 28,052 | 0.0% |
| 2025-12-09 05:36 | 2025-12-05 | CLARK IAN T | Director | OPT+S | $107.19 | 28,611 | $3,066,816 | 9,851 | 0.0% |
| 2025-12-04 05:30 | 2025-12-01 | Monroe Terilyn J. | Officer - Chief People Officer | OPT+S | $105.97 | 55,167 | $5,846,163 | 20,920 | 0.0% |
| 2025-11-21 05:27 | 2025-11-19 | Tariq Musa | Director | SELL | $96.25 | 116 | $11,165 | 7,859 | -1.5% |
| 2025-11-11 03:18 | 2025-11-07 | Hidalgo Medina Manuel | Director | OPT+S | $95.19 | 1,500 | $142,780 | 815 | 0.0% |
| 2025-11-11 03:17 | 2025-11-07 | Saia John G. | Officer - Chief Legal Officer | SELL | $96.25 | 8,996 | $865,865 | 43,172 | -17.2% |
| 2025-10-21 02:49 | 2025-10-17 | Tariq Musa | Director | SELL | $66.95 | 116 | $7,766 | 7,725 | -1.5% |
| 2025-10-21 02:48 | 2025-10-17 | POTTER MYRTLE S | Director | SELL | $66.95 | 26 | $1,741 | 18,324 | -0.1% |
| 2025-09-18 00:17 | 2025-09-17 | Tariq Musa | Director | OPT+S | $55.63 | 116 | $6,453 | 7,591 | 0.0% |
| 2025-09-18 00:17 | 2025-09-17 | POTTER MYRTLE S | Director | OPT+S | $55.63 | 26 | $1,446 | 18,281 | 0.0% |
| 2025-09-16 00:09 | 2025-09-12 | Hidalgo Medina Manuel | Director | SELL | $54.16 | 2,165 | $117,251 | 851 | -71.8% |
| 2025-09-12 02:14 | 2025-09-09 | Eltoukhy Helmy | Director, Officer - Co-Chief Executive Officer | SELL | $59.45 | 300,000 | $17,835,990 | 2,123,499 | -12.4% |
| 2025-09-04 01:50 | 2025-09-02 | Joyce Meghan V. | Director | SELL | $65.84 | 100 | $6,584 | 11,183 | -0.9% |
| 2025-08-22 23:58 | 2025-08-21 | Kalia Kumud | Officer - Chief Information Officer | SELL | $61.76 | 2,000 | $123,510 | 18,500 | -9.8% |
| 2025-08-21 02:53 | 2025-08-19 | Tariq Musa | Director | SELL | $59.02 | 116 | $6,846 | 7,458 | -1.5% |
| 2025-08-21 02:51 | 2025-08-19 | POTTER MYRTLE S | Director | SELL | $59.02 | 26 | $1,535 | 18,239 | -0.1% |
| 2025-07-19 00:25 | 2025-07-17 | Tariq Musa | Director | SELL | $48.20 | 116 | $5,591 | 7,324 | -1.6% |
| 2025-07-19 00:24 | 2025-07-17 | POTTER MYRTLE S | Director | SELL | $48.20 | 26 | $1,253 | 18,196 | -0.1% |
| 2025-07-03 04:18 | 2025-07-01 | Talasaz AmirAli | Director, Officer - Co-Chief Executive Officer | OPT+S | $50.88 | 100,000 | $5,087,630 | 1,971,830 | 0.0% |
| 2025-06-21 00:42 | 2025-06-18 | Tariq Musa | Director | SELL | $49.47 | 3,213 | $158,947 | 7,190 | -30.9% |
| 2025-06-21 00:26 | 2025-06-17 | CLARK IAN T | Director | SELL | $48.38 | 6,672 | $322,819 | 9,851 | -40.4% |
| 2025-06-21 00:40 | 2025-06-18 | POTTER MYRTLE S | Director | SELL | $49.47 | 26 | $1,286 | 18,154 | -0.1% |
| 2025-06-17 02:27 | 2025-06-13 | Joyce Meghan V. | Director | OPT+S | $47.22 | 3,337 | $157,573 | 11,150 | 0.0% |
| 2025-06-17 02:28 | 2025-06-16 | POTTER MYRTLE S | Director | OPT+S | $49.70 | 2,626 | $130,512 | 18,180 | 0.0% |
| 2025-06-10 04:45 | 2025-06-05 | Talasaz AmirAli | Director, Officer - Co-Chief Executive Officer | SELL | $50.09 | 119,284 | $5,974,363 | 2,069,456 | -5.4% |
| 2025-06-06 02:00 | 2025-06-03 | Kalia Kumud | Officer - Chief Information Officer | SELL | $46.39 | 4,000 | $185,562 | 18,765 | -17.6% |
| 2025-06-04 00:49 | 2025-06-02 | Joyce Meghan V. | Director | SELL | $41.66 | 100 | $4,166 | 7,746 | -1.3% |
| 2025-05-20 23:57 | 2025-05-19 | Tariq Musa | Director | SELL | $40.04 | 116 | $4,645 | 3,479 | -3.2% |
| 2025-05-06 04:02 | 2025-05-01 | Talasaz AmirAli | Director, Officer - Co-Chief Executive Officer | SELL | $49.18 | 120,716 | $5,936,571 | 2,188,740 | -5.2% |
| 2025-04-18 20:35 | 2025-04-17 | Tariq Musa | Director | SELL | $44.79 | 116 | $5,196 | 3,345 | -3.4% |
| 2025-03-21 00:05 | 2025-03-19 | Tariq Musa | Director | SELL | $43.70 | 116 | $5,069 | 3,211 | -3.5% |
| 2025-03-19 00:27 | 2025-03-17 | Kalia Kumud | Officer - Chief Information Officer | OPT+S | $43.16 | 3,500 | $151,060 | 19,720 | 0.0% |
| 2025-03-06 00:48 | 2025-03-03 | Joyce Meghan V. | Director | OPT+S | $42.71 | 100 | $4,271 | 7,647 | 0.0% |
| 2025-02-22 01:54 | 2025-02-20 | Tariq Musa | Director | SELL | $48.33 | 116 | $5,606 | 3,078 | -3.6% |
| 2025-01-22 01:11 | 2025-01-17 | Tariq Musa | Director | SELL | $37.58 | 116 | $4,359 | 2,944 | -3.8% |
How to Interpret $GH Trades
Not every insider transaction in Guardant Health, Inc. is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $GH shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.
Data Source & Accuracy for GH
Insider activity data for Guardant Health, Inc. is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $GH, allowing you to follow the capital of those with the most intimate knowledge of the company.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.