POTTER MYRTLE S — SEC Form 4 filings
SEC reporting owner CIK 1214130. 31 Form 4 filings on record with FilingPulse; latest filed 2026-06-23.
Transaction summary — filings shown
Covers all 31 filings on record, filed 2024-01-16 to 2026-06-23. 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): 7 legs across 7 filings — 4,312 shares, $341,858 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 60.
- Largest priced transaction: sale of 1,556 shares @ $131.16 ($204,085) in Guardant Health, Inc., filed 2026-06-23.
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) | Director | 29 | — | 7 legs · 4,312 sh · $341,858 | 55 |
| Ginkgo Bioworks Holdings, Inc. (DNA) | Director | 2 | — | — | 5 |
Form 4 filings — POTTER MYRTLE S
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-23 | 4 | Guardant Health, Inc. (GH) | Sale (S): 1,556 @ $131.16 | EDGAR |
| 2026-06-22 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 4,203 @ $0 · Option exercise (M): 4,203 (derivative) @ $0 · Grant/award (A): 2,711 (derivative) @ $0 | EDGAR |
| 2025-10-20 | 4 | Guardant Health, Inc. (GH) | Sale (S): 26 @ $66.95 | EDGAR |
| 2025-10-16 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 69 @ $0 · Option exercise (M): 69 (derivative) @ $0 | EDGAR |
| 2025-09-17 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 68 @ $0 · Sale (S): 26 @ $55.63 · Option exercise (M): 68 (derivative) @ $0 | EDGAR |
| 2025-08-20 | 4 | Guardant Health, Inc. (GH) | Sale (S): 26 @ $59.02 | EDGAR |
| 2025-08-18 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 69 @ $0 · Option exercise (M): 69 (derivative) @ $0 | EDGAR |
| 2025-07-18 | 4 | Guardant Health, Inc. (GH) | Sale (S): 26 @ $48.20 | EDGAR |
| 2025-07-16 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 68 @ $0 · Option exercise (M): 68 (derivative) @ $0 | EDGAR |
| 2025-06-20 | 4 | Guardant Health, Inc. (GH) | Sale (S): 26 @ $49.47 · Grant/award (A): 6,833 (derivative) @ $0 · Grant/award (A): 4,203 (derivative) @ $0 | EDGAR |
| 2025-06-16 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 6,674 @ $0 · Option exercise (M): 69 @ $0 · Sale (S): 2,626 @ $49.70 · Option exercise (M): 6,674 (derivative) @ $0 · Option exercise (M): 69 (derivative) @ $0 | EDGAR |
| 2025-06-13 | 4 | Ginkgo Bioworks Holdings, Inc. (DNA) | Option exercise (M): 10,822 · Option exercise (M): 10,822 (derivative) | EDGAR |
| 2025-05-19 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 68 @ $0 · Option exercise (M): 68 (derivative) @ $0 | EDGAR |
| 2025-04-16 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 68 @ $0 · Option exercise (M): 68 (derivative) @ $0 | EDGAR |
| 2025-03-18 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 69 @ $0 · Option exercise (M): 69 (derivative) @ $0 | EDGAR |
| 2025-02-18 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 68 @ $0 · Option exercise (M): 68 (derivative) @ $0 | EDGAR |
| 2025-01-16 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 68 @ $0 · Option exercise (M): 68 (derivative) @ $0 | EDGAR |
| 2024-12-16 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 69 @ $0 · Option exercise (M): 69 (derivative) @ $0 | EDGAR |
| 2024-11-18 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 68 @ $0 · Option exercise (M): 68 (derivative) @ $0 | EDGAR |
| 2024-10-16 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 69 @ $0 · Option exercise (M): 69 (derivative) @ $0 | EDGAR |
| 2024-09-16 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 68 @ $0 · Option exercise (M): 68 (derivative) @ $0 | EDGAR |
| 2024-08-19 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 68 @ $0 · Option exercise (M): 68 (derivative) @ $0 | EDGAR |
| 2024-07-16 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 69 @ $0 · Option exercise (M): 69 (derivative) @ $0 | EDGAR |
| 2024-06-17 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 68 @ $0 · Option exercise (M): 68 (derivative) @ $0 | EDGAR |
| 2024-06-14 | 4 | Ginkgo Bioworks Holdings, Inc. (DNA) | Grant/award (A): 1,111,111 (derivative) @ $0 · Grant/award (A): 571,428 (derivative) @ $0 · Grant/award (A): 432,900 (derivative) @ $0 | EDGAR |
| 2024-06-13 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 5,592 @ $0 · Option exercise (M): 5,592 (derivative) @ $0 · Grant/award (A): 10,703 (derivative) @ $0 · Grant/award (A): 6,674 (derivative) @ $0 | EDGAR |
| 2024-05-16 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 69 @ $0 · Option exercise (M): 69 (derivative) @ $0 | EDGAR |
| 2024-04-16 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 68 @ $0 · Option exercise (M): 68 (derivative) @ $0 | EDGAR |
| 2024-03-18 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 68 @ $0 · Option exercise (M): 68 (derivative) @ $0 | EDGAR |
| 2024-02-16 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 69 @ $0 · Option exercise (M): 69 (derivative) @ $0 | EDGAR |
| 2024-01-16 | 4 | Guardant Health, Inc. (GH) | Option exercise (M): 68 @ $0 · Option exercise (M): 68 (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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