Juvenal Tobin W — SEC Form 4 filings
SEC reporting owner CIK 1856542. 23 Form 4 filings on record with FilingPulse; latest filed 2026-09-16.
Transaction summary — filings shown
Covers all 23 filings on record, filed 2024-03-06 to 2026-09-16. 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): 20 legs across 14 filings — 88,444 shares, $2,792,968 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 46.
- Largest priced transaction: sale of 20,863 shares @ $25.24 ($526,582) in CASTLE BIOSCIENCES INC, filed 2026-03-16.
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 |
|---|---|---|---|---|---|
| CASTLE BIOSCIENCES INC (CSTL) | Chief Commercial Officer | 23 | — | 20 legs · 88,444 sh · $2,792,968 | 46 |
Form 4 filings — Juvenal Tobin W
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-16 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Sale (S): 3,306 @ $32.32 · Sale (S): 3,294 @ $35.14 | EDGAR |
| 2026-09-02 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Sale (S): 1,730 @ $32.81 | EDGAR |
| 2026-08-27 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Sale (S): 9,050 @ $35.04 | EDGAR |
| 2026-08-19 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Sale (S): 1,730 @ $29.59 | EDGAR |
| 2026-08-06 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Sale (S): 1,301 @ $38.39 | EDGAR |
| 2026-08-04 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Sale (S): 8,149 @ $28.84 · Sale (S): 7,270 @ $29.58 · Sale (S): 1,891 @ $30.26 · Sale (S): 1,730 @ $28.25 | EDGAR |
| 2026-05-26 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Option exercise (M): 11,210 @ $3.38 · Option exercise (M): 11,210 (derivative) @ $0 | EDGAR |
| 2026-03-16 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Sale (S): 20,863 @ $25.24 | EDGAR |
| 2026-03-05 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Tax withholding (F): 3,716 @ $27.57 · Option exercise (M): 25,771 · Tax withholding (F): 10,399 @ $28.17 · Grant/award (A): 48,367 (derivative) @ $0 · Option exercise (M): 13,811 (derivative) @ $0 · Option exercise (M): 11,960 (derivative) @ $0 | EDGAR |
| 2026-01-14 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Grant/award (A): 9,207 @ $0 · Grant/award (A): 9,207 (derivative) @ $0 | EDGAR |
| 2025-12-15 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Sale (S): 13,200 @ $37.48 | EDGAR |
| 2025-12-11 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Option exercise (M): 15,961 · Tax withholding (F): 6,441 @ $38.25 · Option exercise (M): 6,170 · Tax withholding (F): 2,490 @ $38.02 · Option exercise (M): 15,961 (derivative) @ $0 · Option exercise (M): 6,170 (derivative) @ $0 | EDGAR |
| 2025-11-24 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Option exercise (M): 4,693 @ $3.38 · Sale (S): 4,693 @ $35.58 · Option exercise (M): 4,693 (derivative) @ $0 | EDGAR |
| 2025-11-14 | 4/A | CASTLE BIOSCIENCES INC (CSTL) | Option exercise (M): 500 @ $3.38 · Sale (S): 500 @ $35.39 · Option exercise (M): 200 @ $3.38 · Sale (S): 200 @ $35.40 · Option exercise (M): 500 (derivative) @ $0 · Option exercise (M): 200 (derivative) @ $0 | EDGAR |
| 2025-11-13 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Sale (S): 500 @ $35.39 · Sale (S): 200 @ $35.40 | EDGAR |
| 2025-08-12 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Option exercise (M): 10,640 @ $0 · Tax withholding (F): 4,294 @ $19.36 · Option exercise (M): 10,640 (derivative) @ $0 | EDGAR |
| 2025-03-06 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Option exercise (M): 13,811 · Tax withholding (F): 5,573 @ $22.23 · Grant/award (A): 47,838 (derivative) @ $0 · Option exercise (M): 13,811 (derivative) @ $0 | EDGAR |
| 2025-01-08 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Sale (S): 2,230 @ $30 | EDGAR |
| 2024-12-11 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Option exercise (M): 15,961 · Tax withholding (F): 3,887 @ $30.91 · Option exercise (M): 1,750 · Tax withholding (F): 495 @ $29.63 · Option exercise (M): 6,169 · Tax withholding (F): 1,503 @ $29.63 · +3 more | EDGAR |
| 2024-11-07 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Option exercise (M): 3,507 @ $3.38 · Sale (S): 3,507 @ $35.56 · Option exercise (M): 3,507 (derivative) @ $0 | EDGAR |
| 2024-11-05 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Option exercise (M): 1,100 @ $3.38 · Sale (S): 3,100 @ $35.39 · Option exercise (M): 1,100 (derivative) @ $0 | EDGAR |
| 2024-08-13 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Grant/award (A): 10,641 @ $0 · Tax withholding (F): 2,592 @ $26.83 · Grant/award (A): 10,641 (derivative) @ $0 | EDGAR |
| 2024-03-06 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Grant/award (A): 55,243 (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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