Bell Michael Brian
SEC CIK 1702824 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| GH | Guardant Health, Inc. | CFO | 55.7K | — | $8.81M | 60 | 2022-01-15 | 2026-07-01 |
Most active insiders at GH, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Talasaz AmirAli | Co-CEO, Dir | — | $84.25M |
| 2 | Eltoukhy Helmy | Co-CEO, Dir | — | $22.03M |
| 3 | Freeman Chris | Chief Commercial Off | — | $16.92M |
| 4 | Monroe Terilyn J. | CHRO | — | $15.95M |
| 5 | Bell Michael Brian | CFO | — | $8.81M |
| 6 | CLARK IAN T | Dir | — | $6.06M |
| 7 | Kalia Kumud | CIO | $78.5K | $5.91M |
| 8 | Chudova Darya | CTO | — | $4.36M |
| 9 | Saia John G. | CLO | — | $4.25M |
| 10 | Krognes Steve E. | Dir | — | $2.40M |
Transactions 60
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-07-02 18:10 | 2026-07-01 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +7,278 | 55.7K | +15% | $0 |
| D | 2026-07-02 18:10 | 2026-07-01 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $170.77 | -3,914 | 51.8K | -7% | -$668.4K |
| D | 2026-06-16 16:36 | 2026-06-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +2,039 | 49.5K | +4% | $0 |
| D | 2026-06-16 16:36 | 2026-06-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $129.82 | -1,096 | 48.5K | -2% | -$142.3K |
| 2026-06-08 18:28 | 2026-06-05 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | S - Sale | $128.62 | -2,000 | 47.5K | -4% | -$257.2K | |
| DM | 2026-04-02 17:20 | 2026-04-01 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +12.8K | 56.4K | +29% | $0 |
| D | 2026-04-02 17:20 | 2026-04-01 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $91.15 | -6,869 | 49.5K | -12% | -$626.1K |
| D | 2026-03-17 | 2026-03-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $85.49 | -7,413 | 46.6K | -14% | -$633.7K |
| DM | 2026-03-17 | 2026-03-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +13.8K | 41.5K | +50% | $0 |
| D | 2026-03-17 | 2026-03-16 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | S - Sale+OE | $87.04 | -3,000 | 43.6K | -6% | -$261.1K |
| DM | 2026-01-05 | 2026-01-01 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +23.0K | 40.2K | +134% | $0 |
| D | 2026-01-05 | 2026-01-01 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $102.14 | -12.5K | 40.2K | -24% | -$1.27M |
| D | 2025-12-17 | 2025-12-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $102.67 | -1,659 | 29.7K | -5% | -$170.3K |
| DM | 2025-12-17 | 2025-12-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +3,272 | 31.3K | +12% | $0 |
| DM | 2025-12-08 | 2025-12-05 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $30.71 | +56.3K | 81.5K | +223% | +$1.73M |
| DM | 2025-12-08 | 2025-12-05 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | S - Sale+OE | $103.14 | -80.4K | 57.9K | -58% | -$8.29M |
| DM | 2025-10-02 | 2025-10-01 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +15.2K | 59.8K | +34% | $0 |
| D | 2025-10-02 | 2025-10-01 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $62.65 | -7,695 | 52.1K | -13% | -$482.1K |
| DM | 2025-09-17 | 2025-09-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +3,272 | 46.3K | +8% | $0 |
| D | 2025-09-17 | 2025-09-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $54.79 | -1,659 | 44.6K | -4% | -$90.9K |
| D | 2025-07-02 | 2025-07-01 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $50.71 | -1,057 | 43.0K | -2% | -$53.6K |
| D | 2025-07-02 | 2025-07-01 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +2,084 | 44.1K | +5% | $0 |
| DM | 2025-06-16 | 2025-06-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +3,272 | 43.7K | +8% | $0 |
| D | 2025-06-16 | 2025-06-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $49.29 | -1,659 | 42.0K | -4% | -$81.8K |
| D | 2025-04-02 | 2025-04-01 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +2,084 | 41.4K | +5% | $0 |
| D | 2025-04-02 | 2025-04-01 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $42.47 | -1,057 | 40.4K | -3% | -$44.9K |
| D | 2025-03-18 | 2025-03-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $42.89 | -1,659 | 39.4K | -4% | -$71.2K |
| DM | 2025-03-18 | 2025-03-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +3,272 | 41.0K | +9% | $0 |
| D | 2025-03-04 | 2025-03-01 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $42.55 | -2,537 | 37.7K | -6% | -$107.9K |
| D | 2025-03-04 | 2025-03-01 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +7,108 | 40.3K | +21% | $0 |
| D | 2025-02-04 | 2025-02-01 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +6,617 | 35.5K | +23% | $0 |
| D | 2025-02-04 | 2025-02-01 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $46.98 | -2,361 | 33.2K | -7% | -$110.9K |
| D | 2025-01-16 | 2025-01-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $37.50 | -1,305 | 28.9K | -4% | -$48.9K |
| D | 2025-01-16 | 2025-01-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +3,309 | 30.2K | +12% | $0 |
| D | 2025-01-03 | 2025-01-01 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +2,084 | 27.8K | +8% | $0 |
| D | 2025-01-03 | 2025-01-01 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $30.55 | -855 | 26.9K | -3% | -$26.1K |
| D | 2024-12-16 | 2024-12-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $34.76 | -1,659 | 25.7K | -6% | -$57.7K |
| DM | 2024-12-16 | 2024-12-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +3,272 | 27.3K | +14% | $0 |
| D | 2024-10-02 | 2024-10-01 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +8,211 | 28.2K | +41% | $0 |
| D | 2024-10-02 | 2024-10-01 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $22.12 | -4,162 | 24.1K | -15% | -$92.1K |
| DM | 2024-09-16 | 2024-09-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +3,272 | 19.6K | +20% | $0 |
| D | 2024-09-16 | 2024-09-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $26.79 | -1,659 | 20.0K | -8% | -$44.4K |
| DM | 2024-06-17 | 2024-06-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +9,267 | 21.7K | +74% | $0 |
| D | 2024-06-17 | 2024-06-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $30.21 | -3,307 | 18.4K | -15% | -$99.9K |
| D | 2024-03-18 | 2024-03-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $17.74 | -429 | 12.5K | -3% | -$7,610 |
| D | 2024-03-18 | 2024-03-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +1,233 | 12.9K | +11% | $0 |
| D | 2024-01-16 | 2024-01-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +3,308 | 13.0K | +34% | $0 |
| D | 2024-01-16 | 2024-01-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $24.20 | -1,356 | 11.6K | -10% | -$32.8K |
| D | 2023-12-18 | 2023-12-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +1,233 | 10.1K | +14% | $0 |
| D | 2023-12-18 | 2023-12-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $28.19 | -427 | 9,697 | -4% | -$12.0K |
| D | 2023-09-19 | 2023-09-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +1,233 | 9,318 | +15% | $0 |
| D | 2023-09-19 | 2023-09-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $29.53 | -427 | 8,891 | -5% | -$12.6K |
| D | 2023-06-16 | 2023-06-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $37.86 | -427 | 8,085 | -5% | -$16.2K |
| D | 2023-06-16 | 2023-06-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +1,233 | 8,512 | +17% | $0 |
| D | 2023-03-16 | 2023-03-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +4,931 | 8,982 | +122% | $0 |
| D | 2023-03-16 | 2023-03-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $26.78 | -1,703 | 7,279 | -19% | -$45.6K |
| D | 2023-01-17 | 2023-01-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $30.43 | -1,320 | 4,051 | -25% | -$40.2K |
| D | 2023-01-17 | 2023-01-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | M - OptEx | $0.00 | +3,309 | 5,371 | +160% | $0 |
| D | 2022-01-18 | 2022-01-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | F - Tax | $77.58 | -1,246 | 2,062 | -38% | -$96.7K |
| D | 2022-01-18 | 2022-01-15 | GH | Guardant Health, Inc. | Bell Michael Brian | CFO | A - Grant | $0.00 | +3,308 | 3,308 | New | $0 |
Purchase Sale Sale after option exercise All abbreviations