Talasaz AmirAli — SEC Form 4 filings
SEC reporting owner CIK 1753159. 23 Form 4 filings on record with FilingPulse; latest filed 2026-08-24.
Transaction summary — filings shown
Covers all 23 filings on record, filed 2024-03-22 to 2026-08-24. 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): 40 legs across 8 filings — 997,500 shares, $101,252,768 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 84.
- Largest priced transaction: sale of 70,513 shares @ $151.47 ($10,680,315) in Guardant Health, Inc., filed 2026-06-30.
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) | Co-Chief Executive Officer, Director | 23 | — | 40 legs · 997,500 sh · $101,252,768 | 84 |
Form 4 filings — Talasaz AmirAli
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-24 | 4 | Guardant Health, Inc. (GH) | Sale (S): 9,023 @ $168.20 · Sale (S): 20,888 @ $169.16 · Sale (S): 7,589 @ $170.29 | EDGAR |
| 2026-08-12 | 4 | Guardant Health, Inc. (GH) | Gift (G): 75,000 @ $0 · Gift (G): 75,000 @ $0 | EDGAR |
| 2026-07-02 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 2,817 @ $0 · Tax withholding (F): 1,428 @ $150.03 · Option exercise (M): 23,997 @ $0 · Option exercise (M): 9,715 @ $0 · Tax withholding (F): 17,086 @ $170.77 · Option exercise (M): 2,817 (derivative) @ $0 · +2 more | EDGAR |
| 2026-06-30 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 111,804 @ $4.18 · Sale (S): 64,037 @ $150.49 · Sale (S): 52,935 @ $151.16 · Option exercise (M): 143,028 @ $4.18 · Sale (S): 25,812 @ $150.53 · Sale (S): 70,513 @ $151.47 · +4 more | EDGAR |
| 2026-05-22 | 4 | Guardant Health, Inc. (GH) | Sale (S): 200 @ $100.95 · Sale (S): 900 @ $102.57 · Sale (S): 1,366 @ $103.82 · Sale (S): 11,919 @ $105.01 · Sale (S): 1,200 @ $105.88 · Sale (S): 21,171 @ $106.99 · +6 more | EDGAR |
| 2026-05-13 | 4 | Guardant Health, Inc. (GH) | Sale (S): 50,000 @ $100.32 | EDGAR |
| 2026-04-02 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 2,817 @ $0 · Tax withholding (F): 1,428 @ $92.37 · Option exercise (M): 23,997 @ $0 · Option exercise (M): 9,716 @ $0 · Tax withholding (F): 17,087 @ $91.15 · Option exercise (M): 2,817 (derivative) @ $0 · +2 more | EDGAR |
| 2026-03-17 | 4 | Guardant Health, Inc. (GH) | Other (J): 13,209 @ $0 · Other (J): 13,209 @ $0 · Option exercise (M): 38,283 @ $0 · Tax withholding (F): 19,402 @ $102.14 · Option exercise (M): 26,961 @ $0 · Tax withholding (F): 13,664 @ $85.49 · +4 more | EDGAR |
| 2026-01-05 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 4,815 @ $0 · Tax withholding (F): 2,441 @ $102.14 · Option exercise (M): 23,997 @ $0 · Tax withholding (F): 10,788 @ $102.14 · Option exercise (M): 4,815 (derivative) @ $0 · Option exercise (M): 23,997 (derivative) @ $0 | EDGAR |
| 2025-12-10 | 4 | Guardant Health, Inc. (GH) | Other (J): 387,946 @ $0 · Other (J): 193,973 @ $0 · Other (J): 193,973 @ $0 · Sale (S): 15,000 @ $104.21 · Sale (S): 30,760 @ $105.34 · Sale (S): 4,240 @ $106 · +3 more | EDGAR |
| 2025-10-02 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 4,814 @ $0 · Tax withholding (F): 2,440 @ $62.48 · Option exercise (M): 23,997 @ $0 · Tax withholding (F): 12,162 @ $62.65 · Option exercise (M): 4,814 (derivative) @ $0 · Option exercise (M): 23,997 (derivative) @ $0 | EDGAR |
| 2025-07-02 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 4,815 @ $0 · Tax withholding (F): 2,441 @ $52.04 · Sale (S): 72,068 @ $50.67 · Sale (S): 27,932 @ $51.40 · Option exercise (M): 23,997 @ $0 · Tax withholding (F): 12,162 @ $50.71 · +2 more | EDGAR |
| 2025-06-09 | 4 | Guardant Health, Inc. (GH) | Sale (S): 1,680 @ $50.00 · Sale (S): 39,751 @ $50.07 · Sale (S): 77,853 @ $50.09 | EDGAR |
| 2025-05-05 | 4 | Guardant Health, Inc. (GH) | Sale (S): 18,069 @ $47.67 · Sale (S): 38,477 @ $48.71 · Sale (S): 44,691 @ $49.53 · Sale (S): 3,445 @ $50.91 · Sale (S): 1,748 @ $51.56 · Sale (S): 354 @ $52.57 · +1 more | EDGAR |
| 2025-04-02 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 4,814 @ $0 · Tax withholding (F): 2,440 @ $42.60 · Option exercise (M): 23,998 @ $0 · Tax withholding (F): 12,163 @ $42.47 · Option exercise (M): 4,814 (derivative) @ $0 · Option exercise (M): 23,998 (derivative) @ $0 | EDGAR |
| 2025-03-18 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 68,769 @ $0 · Tax withholding (F): 34,853 @ $42.89 · Option exercise (M): 68,769 (derivative) @ $0 | EDGAR |
| 2025-03-13 | 4 | Guardant Health, Inc. (GH) | Grant/award (A): 19,258 (derivative) @ $0 · Grant/award (A): 116,010 (derivative) @ $0 | EDGAR |
| 2025-01-03 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 11,462 @ $0 · Tax withholding (F): 5,809 @ $30.55 · Option exercise (M): 94,555 @ $0 · Tax withholding (F): 43,309 @ $30.55 · Option exercise (M): 11,462 (derivative) @ $0 · Option exercise (M): 94,555 (derivative) @ $0 | EDGAR |
| 2024-10-01 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 11,461 @ $0 · Tax withholding (F): 5,809 @ $22.94 · Option exercise (M): 11,461 (derivative) @ $0 | EDGAR |
| 2024-07-02 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 11,462 @ $0 · Tax withholding (F): 5,809 @ $28.88 · Option exercise (M): 11,462 (derivative) @ $0 | EDGAR |
| 2024-05-06 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 283,830 @ $4.18 · Option exercise (M): 283,830 (derivative) @ $0 | EDGAR |
| 2024-04-01 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 11,461 @ $0 · Tax withholding (F): 4,509 @ $20.63 · Option exercise (M): 11,461 (derivative) @ $0 | EDGAR |
| 2024-03-22 | 4 | Guardant Health, Inc. (GH) | Other (J): 1,130,382 (derivative) @ $0 · Grant/award (A): 45,846 (derivative) @ $0 · Grant/award (A): 286,533 (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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