Bell Michael Brian — SEC Form 4 filings
SEC reporting owner CIK 1702824. 27 Form 4 filings on record with FilingPulse; latest filed 2026-07-02.
Transaction summary — filings shown
Covers all 27 filings on record, filed 2024-01-16 to 2026-07-02. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 14 legs across 3 filings — 85,362 shares, $8,807,093 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 109.
- Largest priced transaction: sale of 22,891 shares @ $102.11 ($2,337,302) in Guardant Health, Inc., filed 2025-12-08.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Guardant Health, Inc. (GH) | Chief Financial Officer | 27 | — | 14 legs · 85,362 sh · $8,807,093 | 109 |
Form 4 filings — Bell Michael Brian
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-02 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 2,084 @ $0 · Option exercise (M): 3,324 @ $0 · Option exercise (M): 1,870 @ $0 · Tax withholding (F): 3,914 @ $170.77 · Option exercise (M): 2,084 (derivative) @ $0 · Option exercise (M): 3,324 (derivative) @ $0 · +1 more | EDGAR |
| 2026-06-16 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 2,039 @ $0 · Tax withholding (F): 1,096 @ $129.82 · Option exercise (M): 2,039 (derivative) @ $0 | EDGAR |
| 2026-06-08 | 4 | Guardant Health, Inc. (GH) | Sale (S): 2,000 @ $128.62 | EDGAR |
| 2026-04-02 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 2,084 @ $0 · Option exercise (M): 3,324 @ $0 · Option exercise (M): 7,369 @ $0 · Tax withholding (F): 6,869 @ $91.15 · Option exercise (M): 2,084 (derivative) @ $0 · Option exercise (M): 3,324 (derivative) @ $0 · +1 more | EDGAR |
| 2026-03-17 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 1,233 @ $0 · Option exercise (M): 10,518 @ $0 · Option exercise (M): 2,039 @ $0 · Tax withholding (F): 7,413 @ $85.49 · Sale (S): 3,000 @ $87.04 · Option exercise (M): 1,233 (derivative) @ $0 · +2 more | EDGAR |
| 2026-03-13 | 4 | Guardant Health, Inc. (GH) | Grant/award (A): 26,582 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 10,520 @ $0 · Option exercise (M): 3,324 @ $0 · Option exercise (M): 7,110 @ $0 · Option exercise (M): 2,084 @ $0 · Tax withholding (F): 12,479 @ $102.14 · Option exercise (M): 10,520 (derivative) @ $0 · +3 more | EDGAR |
| 2025-12-17 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 1,233 @ $0 · Option exercise (M): 2,039 @ $0 · Tax withholding (F): 1,659 @ $102.67 · Option exercise (M): 1,233 (derivative) @ $0 · Option exercise (M): 2,039 (derivative) @ $0 | EDGAR |
| 2025-12-08 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 29,382 @ $32.86 · Option exercise (M): 26,905 @ $28.37 · Sale (S): 8,033 @ $101.42 · Sale (S): 22,891 @ $102.11 · Sale (S): 7,567 @ $103.26 · Sale (S): 11,978 @ $103.96 · +10 more | EDGAR |
| 2025-10-02 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 2,084 @ $0 · Option exercise (M): 13,097 @ $0 · Tax withholding (F): 7,695 @ $62.65 · Option exercise (M): 2,084 (derivative) @ $0 · Option exercise (M): 13,097 (derivative) @ $0 | EDGAR |
| 2025-09-17 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 1,233 @ $0 · Option exercise (M): 2,039 @ $0 · Tax withholding (F): 1,659 @ $54.79 · Option exercise (M): 1,233 (derivative) @ $0 · Option exercise (M): 2,039 (derivative) @ $0 | EDGAR |
| 2025-07-02 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 2,084 @ $0 · Tax withholding (F): 1,057 @ $50.71 · Option exercise (M): 2,084 (derivative) @ $0 | EDGAR |
| 2025-06-16 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 1,233 @ $0 · Option exercise (M): 2,039 @ $0 · Tax withholding (F): 1,659 @ $49.29 · Option exercise (M): 1,233 (derivative) @ $0 · Option exercise (M): 2,039 (derivative) @ $0 | EDGAR |
| 2025-04-02 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 2,084 @ $0 · Tax withholding (F): 1,057 @ $42.47 · Option exercise (M): 2,084 (derivative) @ $0 | EDGAR |
| 2025-03-18 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 1,233 @ $0 · Option exercise (M): 2,039 @ $0 · Tax withholding (F): 1,659 @ $42.89 · Option exercise (M): 1,233 (derivative) @ $0 · Option exercise (M): 2,039 (derivative) @ $0 | EDGAR |
| 2025-03-13 | 4 | Guardant Health, Inc. (GH) | Grant/award (A): 33,498 (derivative) @ $0 · Grant/award (A): 22,332 (derivative) @ $0 | EDGAR |
| 2025-03-04 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 7,108 @ $0 · Tax withholding (F): 2,537 @ $42.55 · Option exercise (M): 7,108 (derivative) @ $0 | EDGAR |
| 2025-02-04 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 6,617 @ $0 · Tax withholding (F): 2,361 @ $46.98 · Option exercise (M): 6,617 (derivative) @ $0 | EDGAR |
| 2025-01-16 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 3,309 @ $0 · Tax withholding (F): 1,305 @ $37.50 · Option exercise (M): 3,309 (derivative) @ $0 | EDGAR |
| 2025-01-03 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 2,084 @ $0 · Tax withholding (F): 855 @ $30.55 · Option exercise (M): 2,084 (derivative) @ $0 | EDGAR |
| 2024-12-16 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 1,233 @ $0 · Option exercise (M): 2,039 @ $0 · Tax withholding (F): 1,659 @ $34.76 · Option exercise (M): 1,233 (derivative) @ $0 · Option exercise (M): 2,039 (derivative) @ $0 | EDGAR |
| 2024-11-12 | 4 | Guardant Health, Inc. (GH) | Grant/award (A): 59,534 (derivative) @ $0 · Grant/award (A): 39,689 (derivative) @ $0 | EDGAR |
| 2024-10-02 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 8,211 @ $0 · Tax withholding (F): 4,162 @ $22.12 · Option exercise (M): 8,211 (derivative) @ $0 | EDGAR |
| 2024-09-16 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 1,233 @ $0 · Option exercise (M): 2,039 @ $0 · Tax withholding (F): 1,659 @ $26.79 · Option exercise (M): 1,233 (derivative) @ $0 · Option exercise (M): 2,039 (derivative) @ $0 | EDGAR |
| 2024-06-17 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 1,233 @ $0 · Option exercise (M): 8,034 @ $0 · Tax withholding (F): 3,307 @ $30.21 · Option exercise (M): 1,233 (derivative) @ $0 · Option exercise (M): 8,034 (derivative) @ $0 | EDGAR |
| 2024-03-18 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 1,233 @ $0 · Tax withholding (F): 429 @ $17.74 · Option exercise (M): 1,233 (derivative) @ $0 | EDGAR |
| 2024-01-16 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 3,308 @ $0 · Tax withholding (F): 1,356 @ $24.20 · Option exercise (M): 3,308 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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