Skip to contentBell Michael Brian — Guardant Health, Inc. insider: 254 transactions · InsiderLensBell Michael Brian
- Chief Financial Officer at CareDx, Inc. · on record since Apr 25, 2017
- Chief Financial Officer at Guardant Health, Inc. · on record since May 6, 2021
Insider trading activity of Bell Michael Brian
- Transactions on record
- 254
- since Apr 25, 2017
- Open-market buys
- 2
- $1.3K
- Open-market sells
- 25
- $15M
- Companies traded
- 2
- last filing Jul 2, 2026
Figures computed from official regulatory filings — methodology.
Companies where Bell Michael Brian has traded
Track record of Bell Michael Brian
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of Bell Michael Brian
Co-insiders of Bell Michael Brian
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CLARK IAN TGuardant Health, Inc.
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Jul 2, 2026 | Other | -3,914 | 170.77 USD | — | SEC |
| Jul 2, 2026 | Exercise | 3,324 | 0.00 USD | — | SEC |
| Jul 2, 2026 | ExerciseD | -1,870 | 0.00 USD | — | SEC |
| Jul 2, 2026 | ExerciseD | -2,084 | 0.00 USD | — | SEC |
| Jul 2, 2026 | ExerciseD | -3,324 | 0.00 USD | — | SEC |
| Jul 2, 2026 | Exercise | 1,870 | 0.00 USD | — | SEC |
| Jul 2, 2026 | Exercise | 2,084 | 0.00 USD | — | SEC |
| Jun 16, 2026 | Other | -1,096 | 129.82 USD | $142.3K | SEC |
| Jun 16, 2026 | Exercise | 2,039 | 0.00 USD | $0 | SEC |
| Jun 16, 2026 | ExerciseD | -2,039 | 0.00 USD | $0 | SEC |
| Jun 8, 2026 | Sell | -2,000 | 128.62 USD | $257.2K | SEC |
| Apr 2, 2026 | Exercise | 3,324 | 0.00 USD | $0 | SEC |
| Apr 2, 2026 | ExerciseD | -2,084 | 0.00 USD | $0 | SEC |
| Apr 2, 2026 | ExerciseD | -7,369 | 0.00 USD | $0 | SEC |
| Apr 2, 2026 | Other | -6,869 | 91.15 USD | $626.1K | SEC |
| Apr 2, 2026 | Exercise | 2,084 | 0.00 USD | $0 | SEC |
| Apr 2, 2026 | ExerciseD | -3,324 | 0.00 USD | $0 | SEC |
| Apr 2, 2026 | Exercise | 7,369 | 0.00 USD | $0 | SEC |
| Mar 17, 2026 | ExerciseD | -10,518 | 0.00 USD | $0 | SEC |
| Mar 17, 2026 | ExerciseD | -1,233 | 0.00 USD | $0 | SEC |
| Mar 17, 2026 | ExerciseD | -2,039 | 0.00 USD | $0 | SEC |
| Mar 17, 2026 | Exercise | 1,233 | 0.00 USD | $0 | SEC |
| Mar 17, 2026 | Exercise | 10,518 | 0.00 USD | $0 | SEC |
| Mar 17, 2026 | Sell | -3,000 | 87.04 USD | $261.1K | SEC |
| Mar 17, 2026 | Other | -7,413 | 85.49 USD | $633.7K | SEC |