Meghan V. Joyce is Director at Guardant Health, Inc. (GH). They have made 9 open-market trades across 2 companies since 2021, most recently 2026-06-17.
CIK 0001770749
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
0 open-market purchases, against 9 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| GH | 15,386 | $2.6M |
| OSCR | 45,610 | $1.6M |
| SAM | 1,076 | $246K |
| Total | $4.4M |
Shares reported on the most recent Form 4, priced at the 2026-06-22 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| GH | SELL | 2026-06-03 | 2026-06-04 | $126.98 | $1.3M | -3.7% | +27.7% | +23.3% |
| GH | SELL | 2025-09-02 | 2025-09-03 | $65.84 | $7K | -8.7% | +4.7% | +73.1% |
| GH | SELL | 2025-06-13 | 2025-06-16 | $47.22 | $315K | +4.4% | -1.9% | +12.4% |
| GH | SELL | 2025-06-02 | 2025-06-03 | $41.66 | $4K | +8.2% | +10.8% | +46.0% |
| GH | SELL | 2025-03-03 | 2025-03-05 | $42.71 | $4K | +4.0% | -1.6% | +11.0% |
| GH | SELL | 2024-12-02 | 2024-12-03 | $35.90 | $4K | -2.6% | -11.0% | +14.1% |
| GH | SELL | 2024-11-13 | 2024-11-14 | $29.90 | $173K | +12.4% | +16.5% | +48.4% |
| GH | SELL · 10b5-1 | 2024-06-04 | 2024-06-05 | $27.87 | $3K | -0.3% | -6.0% | -19.7% |
| GH | SELL · 10b5-1 | 2024-03-04 | 2024-03-05 | $19.05 | $2K | -6.2% | -4.0% | +44.9% |
| GH | SELL · 10b5-1 | 2023-12-04 | 2023-12-05 | $26.34 | $3K | +5.4% | -5.9% | -29.3% |
| GH | SELL · 10b5-1 | 2023-09-05 | 2023-09-06 | $35.01 | $4K | -15.5% | -15.4% | -21.5% |
| GH | SELL · 10b5-1 | 2023-06-15 | 2023-06-16 | $37.55 | $208K | -1.4% | +2.9% | -16.4% |
| OSCR | SELL · 10b5-1 | 2022-03-02 | 2022-03-03 | $6.91 | $18K | +11.5% | +45.2% | -29.9% |
| OSCR | SELL · 10b5-1 | 2021-12-02 | 2021-12-03 | $8.75 | $27K | +1.9% | -7.8% | -22.8% |
| OSCR | SELL | 2021-09-01 | 2021-09-02 | $17.17 | $825K | +0.1% | -5.6% | -51.7% |
| OSCR | SELL | 2021-03-05 | 2021-03-05 | $39.00 | $3.7M | +9.5% | -20.2% | -18.4% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.