CSTL insider transaction filings
CASTLE BIOSCIENCES INC — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-19. Screen CSTL transaction legs live →
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-19 | 4 | Juvenal Tobin W — Chief Commercial Officer | Sale (S): 1,730 @ $29.59 | EDGAR |
| 2026-08-18 | 4 | MAETZOLD DEREK J — Pres. & Chief Exec. Officer, Director | Option exercise (M): 1,100 @ $2.39 · Sale (S): 1,100 @ $30.02 · Sale (S): 2,714 @ $30.02 · Sale (S): 2,306 @ $30.02 · Sale (S): 278 @ $30.02 · Sale (S): 278 @ $30.02 · +3 more | EDGAR |
| 2026-08-18 | 4 | Stokes Frank — Chief Financial Officer | Sale (S): 24,908 @ $29.77 | EDGAR |
| 2026-08-06 | 4 | MAETZOLD DEREK J — Pres. & Chief Exec. Officer, Director | Option exercise (M): 20,356 @ $2.39 · Sale (S): 8,421 @ $30.79 · Sale (S): 3,374 @ $30.79 · Sale (S): 2,866 @ $30.79 · Sale (S): 11,935 @ $31.34 · Sale (S): 4,782 @ $31.34 · +7 more | EDGAR |
| 2026-08-06 | 4 | Juvenal Tobin W — Chief Commercial Officer | Sale (S): 1,301 @ $38.39 | EDGAR |
| 2026-08-05 | 4 | Oelschlager Kristen M — Chief Operating Officer | Sale (S): 3,000 @ $29.12 · Sale (S): 4,486 @ $30 · Sale (S): 1,100 @ $30.62 | EDGAR |
| 2026-08-04 | 4 | MAETZOLD DEREK J — Pres. & Chief Exec. Officer, Director | Option exercise (M): 6,480 @ $2.39 · Sale (S): 6,480 @ $30.15 · Sale (S): 1,983 @ $30.15 · Sale (S): 1,690 @ $30.15 · Option exercise (M): 10,664 @ $2.39 · Sale (S): 10,664 @ $30.35 · +4 more | EDGAR |
| 2026-08-04 | 4 | Juvenal Tobin W — Chief Commercial Officer | 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 |
| 2026-07-29 | 4 | MAETZOLD DEREK J — Pres. & Chief Exec. Officer, Director | Option exercise (M): 6,214 @ $2.39 · Sale (S): 5,982 @ $24.13 · Sale (S): 1,307 @ $24.13 · Sale (S): 1,110 @ $24.13 · Sale (S): 268 @ $24.13 · Sale (S): 268 @ $24.13 · +10 more | EDGAR |
| 2026-07-16 | 4 | MAETZOLD DEREK J — Pres. & Chief Exec. Officer, Director | Option exercise (M): 550 @ $2.39 · Sale (S): 550 @ $22.92 · Sale (S): 1,357 @ $22.92 · Sale (S): 1,153 @ $22.92 · Sale (S): 278 @ $22.92 · Sale (S): 278 @ $22.92 · +3 more | EDGAR |
| 2026-07-06 | 4 | Oelschlager Kristen M — Chief Operating Officer | Sale (S): 8,186 @ $24.40 · Sale (S): 400 @ $24.78 | EDGAR |
| 2026-07-06 | 4 | MAETZOLD DEREK J — Pres. & Chief Exec. Officer, Director | Option exercise (M): 6,214 @ $2.39 · Sale (S): 6,214 @ $24.29 · Sale (S): 1,357 @ $24.29 · Sale (S): 1,153 @ $24.29 · Sale (S): 278 @ $24.29 · Sale (S): 278 @ $24.29 · +3 more | EDGAR |
| 2026-06-18 | 4 | Oelschlager Kristen M — Chief Operating Officer | Sale (S): 8,587 @ $20.71 | EDGAR |
| 2026-06-17 | 4 | MAETZOLD DEREK J — Pres. & Chief Exec. Officer, Director | Option exercise (M): 550 @ $2.39 · Sale (S): 550 @ $20.66 · Sale (S): 1,357 @ $20.66 · Sale (S): 1,153 @ $20.66 · Sale (S): 278 @ $20.66 · Sale (S): 278 @ $20.66 · +3 more | EDGAR |
| 2026-06-03 | 4 | MAETZOLD DEREK J — Pres. & Chief Exec. Officer, Director | Option exercise (M): 204 @ $2.39 · Option exercise (M): 6,010 @ $2.39 · Sale (S): 6,214 @ $20.86 · Sale (S): 1,357 @ $20.86 · Sale (S): 1,153 @ $20.86 · Sale (S): 278 @ $20.86 · +5 more | EDGAR |
| 2026-06-01 | 4 | Goldberg Ellen — Director | Grant/award (A): 11,766 (derivative) @ $0 | EDGAR |
| 2026-06-01 | 4 | Harrison Miles — Director | Grant/award (A): 11,766 (derivative) @ $0 | EDGAR |
| 2026-06-01 | 4 | Cotton Rodney — Director | Grant/award (A): 11,766 (derivative) @ $0 | EDGAR |
| 2026-06-01 | 4 | Caple Kim — Director | Grant/award (A): 11,766 (derivative) @ $0 | EDGAR |
| 2026-06-01 | 4 | Olson Tiffany — Director | Grant/award (A): 11,766 (derivative) @ $0 | EDGAR |
| 2026-06-01 | 4 | Cole G Bradley — Director | Grant/award (A): 11,766 (derivative) @ $0 | EDGAR |
| 2026-06-01 | 4 | BRADBURY DANIEL — Director | Grant/award (A): 11,766 (derivative) @ $0 | EDGAR |
| 2026-05-27 | 4 | Harrison Miles — Director | Option exercise (M): 13,667 · Option exercise (M): 13,667 (derivative) @ $0 | EDGAR |
| 2026-05-27 | 4 | Goldberg Ellen — Director | Option exercise (M): 13,667 · Option exercise (M): 13,667 (derivative) @ $0 | EDGAR |
| 2026-05-27 | 4 | Caple Kim — Director | Option exercise (M): 13,667 · Option exercise (M): 13,667 (derivative) @ $0 | EDGAR |
| 2026-05-27 | 4 | Cotton Rodney — Director | Option exercise (M): 13,667 · Option exercise (M): 13,667 (derivative) @ $0 | EDGAR |
| 2026-05-27 | 4 | Olson Tiffany — Director | Option exercise (M): 13,667 · Option exercise (M): 13,667 (derivative) @ $0 | EDGAR |
| 2026-05-27 | 4 | Cole G Bradley — Director | Option exercise (M): 13,667 · Option exercise (M): 13,667 (derivative) @ $0 | EDGAR |
| 2026-05-27 | 4 | BRADBURY DANIEL — Director | Option exercise (M): 13,667 · Option exercise (M): 13,667 (derivative) @ $0 | EDGAR |
| 2026-05-26 | 4 | Juvenal Tobin W — Chief Commercial Officer | Option exercise (M): 11,210 @ $3.38 · Option exercise (M): 11,210 (derivative) @ $0 | EDGAR |
| 2026-05-22 | 4 | MAETZOLD DEREK J — Pres. & Chief Exec. Officer, Director | Option exercise (M): 130 @ $2.39 · Sale (S): 130 @ $20.00 · Sale (S): 322 @ $20.00 · Sale (S): 273 @ $20.00 · Sale (S): 66 @ $20.00 · Sale (S): 66 @ $20.00 · +12 more | EDGAR |
| 2026-05-11 | 4 | MAETZOLD DEREK J — Pres. & Chief Exec. Officer, Director | Option exercise (M): 6,214 @ $2.39 · Sale (S): 5,308 @ $22.08 · Sale (S): 1,159 @ $22.08 · Sale (S): 985 @ $22.08 · Sale (S): 237 @ $22.08 · Sale (S): 237 @ $22.08 · +10 more | EDGAR |
| 2026-04-23 | 4 | MAETZOLD DEREK J — Pres. & Chief Exec. Officer, Director | Option exercise (M): 550 @ $2.39 · Sale (S): 550 @ $25.10 · Sale (S): 1,357 @ $25.10 · Sale (S): 1,153 @ $25.10 · Sale (S): 278 @ $25.10 · Sale (S): 278 @ $25.10 · +3 more | EDGAR |
| 2026-04-08 | 4 | MAETZOLD DEREK J — Pres. & Chief Exec. Officer, Director | Option exercise (M): 6,214 @ $2.39 · Sale (S): 6,214 @ $25.03 · Sale (S): 1,357 @ $25.03 · Sale (S): 1,153 @ $25.03 · Sale (S): 278 @ $25.03 · Sale (S): 278 @ $25.03 · +3 more | EDGAR |
| 2026-03-30 | 4 | Cotton Rodney — Director | Option exercise (M): 5,329 · Option exercise (M): 5,329 (derivative) @ $0 | EDGAR |
| 2026-03-30 | 4 | MAETZOLD DEREK J — Pres. & Chief Exec. Officer, Director | Option exercise (M): 550 @ $2.39 · Sale (S): 550 @ $25.55 · Sale (S): 1,357 @ $25.55 · Sale (S): 1,153 @ $25.55 · Sale (S): 278 @ $25.55 · Sale (S): 278 @ $25.55 · +3 more | EDGAR |
| 2026-03-19 | 4 | MAETZOLD DEREK J — Pres. & Chief Exec. Officer, Director | Sale (S): 18,650 @ $25.93 · Sale (S): 650 @ $25.39 | EDGAR |
| 2026-03-17 | 4 | MAETZOLD DEREK J — Pres. & Chief Exec. Officer, Director | Sale (S): 13,204 @ $25.45 · Sale (S): 17,449 @ $25.96 · Sale (S): 126 @ $26.68 | EDGAR |
| 2026-03-16 | 4 | Juvenal Tobin W — Chief Commercial Officer | Sale (S): 20,863 @ $25.24 | EDGAR |
| 2026-03-13 | 4 | MAETZOLD DEREK J — Pres. & Chief Exec. Officer, Director | Option exercise (M): 6,226 @ $2.39 · Sale (S): 17,310 @ $26.11 · Sale (S): 1,357 @ $26.11 · Sale (S): 1,160 @ $26.11 · Sale (S): 282 @ $26.11 · Sale (S): 279 @ $26.11 · +4 more | EDGAR |
| 2026-03-09 | 4 | Stokes Frank — Chief Financial Officer | Sale (S): 6,001 @ $27.98 | EDGAR |
| 2026-03-09 | 4 | Cole G Bradley — Director | Option exercise (M): 4,748 @ $3.38 · Sale (S): 4,748 @ $28.44 · Sale (S): 2,655 @ $28.51 · Option exercise (M): 4,748 (derivative) @ $0 | EDGAR |
| 2026-03-05 | 4 | Juvenal Tobin W — Chief Commercial Officer | 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 |
| 2026-03-05 | 4 | Oelschlager Kristen M — Chief Operating Officer | Tax withholding (F): 2,427 @ $27.57 · Option exercise (M): 25,771 · Tax withholding (F): 6,792 @ $28.17 · Grant/award (A): 48,367 (derivative) @ $0 · Option exercise (M): 13,811 (derivative) @ $0 · Option exercise (M): 11,960 (derivative) @ $0 | EDGAR |
| 2026-03-05 | 4 | Stokes Frank — Chief Financial Officer | Sale (S): 5,300 @ $27.32 · Sale (S): 1,700 @ $27.81 · Tax withholding (F): 3,611 @ $27.57 · Option exercise (M): 24,146 · Tax withholding (F): 10,732 @ $28.17 · Option exercise (M): 3,800 @ $3.38 · +4 more | EDGAR |
| 2026-03-05 | 4 | MAETZOLD DEREK J — Pres. & Chief Exec. Officer, Director | Tax withholding (F): 19,043 @ $27.57 · Option exercise (M): 59,097 · Tax withholding (F): 17,931 @ $28.17 · Grant/award (A): 102,597 (derivative) @ $0 · Option exercise (M): 31,110 (derivative) @ $0 · Option exercise (M): 27,987 (derivative) @ $0 | EDGAR |
| 2026-02-05 | 4 | MAETZOLD DEREK J — Pres. & Chief Exec. Officer, Director | Sale (S): 3,200 @ $39.91 · Sale (S): 646 @ $37.82 · Sale (S): 171 @ $38.61 | EDGAR |
| 2026-01-22 | 4 | MAETZOLD DEREK J — Pres. & Chief Exec. Officer, Director | Sale (S): 4,017 @ $40.01 | EDGAR |
| 2026-01-14 | 4 | Oelschlager Kristen M — Chief Operating Officer | Grant/award (A): 9,207 @ $0 · Grant/award (A): 9,207 (derivative) @ $0 | EDGAR |
| 2026-01-14 | 4 | Juvenal Tobin W — Chief Commercial Officer | Grant/award (A): 9,207 @ $0 · Grant/award (A): 9,207 (derivative) @ $0 | EDGAR |
Recent 8-K events — CASTLE BIOSCIENCES INC
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-07-30 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-29 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-05-06 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-26 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-13 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-03 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-08-08 | 8-K | 5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year | EDGAR |
| 2025-08-04 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-05-23 | 8-K | 3.03 — Material Modification to Rights of Security Holders 5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year 5.07 — Submission of Matters to a Vote of Security Holders 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-05-05 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
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