Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-08-31 Sale | 2026-09-02 4:07 pm | CASTLE BIOSCIENCES INC | CSTL | Juvenal Tobin W Chief Commercial Officer | 1,730 | $32.81 | $56,761 | 65,184 (Direct) | View |
| 2026-08-28 Sale | 2026-09-01 4:12 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 18,560 | $33.2 | $616,134 | 162,040 (Indirect Direct) | View |
| 2026-08-25 Sale | 2026-08-27 4:38 pm | CASTLE BIOSCIENCES INC | CSTL | Juvenal Tobin W Chief Commercial Officer | 9,050 | $35.04 | $317,112 | 66,914 (Direct) | View |
| 2026-08-24 Sale | 2026-08-26 4:16 pm | CASTLE BIOSCIENCES INC | CSTL | Oelschlager Kristen M Chief Operating Officer | 24,602 | $34.06 | $837,865 | 85,937 (Indirect Direct) | View |
| 2026-08-17 Sale | 2026-08-19 4:11 pm | CASTLE BIOSCIENCES INC | CSTL | Juvenal Tobin W Chief Commercial Officer | 1,730 | $29.59 | $51,191 | 75,964 (Direct) | View |
| 2026-08-14 Sale | 2026-08-18 4:10 pm | CASTLE BIOSCIENCES INC | CSTL | Stokes Frank Chief Financial Officer | 24,908 | $29.77 | $741,511 | 35,177 (Direct) | View |
| 2026-08-14 Sale | 2026-08-18 4:09 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 7,232 | $30.02 | $217,105 | 174,746 (Indirect Direct) | View |
| 2025-11-24 Sale | 2026-08-06 4:14 pm | CASTLE BIOSCIENCES INC | CSTL | Juvenal Tobin W Chief Commercial Officer | 1,301 | $38.39 | $49,945 | 77,694 (Direct) | View |
| 2026-08-04 Sale | 2026-08-06 4:14 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 39,016 | $31.07 | $1,212,230 | 272,570 (Indirect Direct) | View |
| 2026-08-03 Sale | 2026-08-05 4:18 pm | CASTLE BIOSCIENCES INC | CSTL | Oelschlager Kristen M Chief Operating Officer | 8,586 | $29.77 | $255,622 | 110,539 (Indirect Direct) | View |
| 2026-07-31 Sale | 2026-08-04 4:36 pm | CASTLE BIOSCIENCES INC | CSTL | Juvenal Tobin W Chief Commercial Officer | 19,040 | $29.21 | $556,175 | 78,995 (Direct) | View |
| 2026-07-31 Sale | 2026-08-04 4:35 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 28,646 | $30.28 | $867,451 | 333,894 (Indirect Direct) | View |
| 2026-07-27 Sale | 2026-07-29 4:09 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 9,836 | $24.16 | $237,682 | 216,170 (Indirect Direct) | View |
| 2026-07-14 Sale | 2026-07-16 4:16 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 4,172 | $22.92 | $95,622 | 222,662 (Indirect Direct) | View |
| 2026-07-01 Sale | 2026-07-06 4:25 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 9,836 | $24.29 | $238,916 | 223,490 (Indirect Direct) | View |
| 2026-07-01 Sale | 2026-07-06 4:24 pm | CASTLE BIOSCIENCES INC | CSTL | Oelschlager Kristen M Chief Operating Officer | 8,586 | $24.42 | $209,650 | 119,125 (Indirect Direct) | View |
| 2026-06-16 Sale | 2026-06-18 4:19 pm | CASTLE BIOSCIENCES INC | CSTL | Oelschlager Kristen M Chief Operating Officer | 8,587 | $20.71 | $177,837 | 127,711 (Indirect Direct) | View |
| 2026-06-15 Sale | 2026-06-17 5:39 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 4,172 | $20.66 | $86,194 | 229,982 (Indirect Direct) | View |
| 2026-06-01 Sale | 2026-06-03 4:15 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 9,836 | $20.86 | $205,149 | 264,578 (Indirect Direct) | View |
| 2026-05-20 Sale | 2026-05-22 4:12 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 4,172 | $20.15 | $84,066 | 173,253 (Indirect Direct) | View |
| 2026-05-07 Sale | 2026-05-11 4:06 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 9,836 | $22.15 | $217,904 | 173,457 (Indirect Direct) | View |
| 2026-04-21 Sale | 2026-04-23 4:16 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 4,172 | $25.1 | $104,709 | 179,949 (Indirect Direct) | View |
| 2026-04-06 Sale | 2026-04-08 4:34 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 9,836 | $25.03 | $246,195 | 180,777 (Indirect Direct) | View |
| 2026-03-26 Sale | 2026-03-30 6:29 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 4,172 | $25.55 | $106,599 | 187,269 (Indirect Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-08-28 Exercise | 2026-09-01 4:12 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 12,428 | $2.39 | 162,040 (Direct) | View |
| 2026-08-28 Exercise | 2026-09-01 4:12 pm | N/A 2028-05-09 | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 12,428 | $0 | 162,040 (Direct) | View |
| 2026-08-14 Exercise | 2026-08-18 4:09 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 1,100 | $2.39 | 174,746 (Direct) | View |
| 2026-08-14 Exercise | 2026-08-18 4:09 pm | N/A 2028-05-09 | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 1,100 | $0 | 174,746 (Direct) | View |
| 2026-08-04 Exercise | 2026-08-06 4:14 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 22,902 | $2.39 | 272,570 (Direct) | View |
| 2026-08-04 Exercise | 2026-08-06 4:14 pm | N/A 2028-05-09 | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 22,902 | $0 | 272,570 (Direct) | View |
| 2026-07-31 Exercise | 2026-08-04 4:35 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 17,144 | $2.39 | 333,894 (Direct) | View |
| 2026-07-31 Exercise | 2026-08-04 4:35 pm | N/A 2028-05-09 | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 17,144 | $0 | 333,894 (Direct) | View |
| 2026-07-27 Exercise | 2026-07-29 4:09 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 6,214 | $2.39 | 216,170 (Direct) | View |
| 2026-07-27 Exercise | 2026-07-29 4:09 pm | N/A 2028-05-09 | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 6,214 | $0 | 216,170 (Direct) | View |
| 2026-07-14 Exercise | 2026-07-16 4:16 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 550 | $2.39 | 222,662 (Direct) | View |
| 2026-07-14 Exercise | 2026-07-16 4:16 pm | N/A 2028-05-09 | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 550 | $0 | 222,662 (Direct) | View |
| 2026-07-01 Exercise | 2026-07-06 4:25 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 6,214 | $2.39 | 223,490 (Direct) | View |
| 2026-07-01 Exercise | 2026-07-06 4:25 pm | N/A 2028-05-09 | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 6,214 | $0 | 223,490 (Direct) | View |
| 2026-06-15 Exercise | 2026-06-17 5:39 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 550 | $2.39 | 229,982 (Direct) | View |
| 2026-06-15 Exercise | 2026-06-17 5:39 pm | N/A 2028-05-09 | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 550 | $0 | 229,982 (Direct) | View |
| 2026-06-01 Exercise | 2026-06-03 4:15 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 6,214 | $2.39 | 264,578 (Direct) | View |
| 2026-06-01 Exercise | 2026-06-03 4:15 pm | N/A 2028-11-11 | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 6,214 | $0 | 264,578 (Direct) | View |
| 2026-05-28 Option Award | 2026-06-01 4:48 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Olson Tiffany Director | 11,766 | $0 | 11,766 (Direct) | View |
| 2026-05-28 Option Award | 2026-06-01 4:48 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Goldberg Ellen Director | 11,766 | $0 | 11,766 (Direct) | View |
| 2026-05-28 Option Award | 2026-06-01 4:48 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Harrison Miles Director | 11,766 | $0 | 11,766 (Direct) | View |
| 2026-05-28 Option Award | 2026-06-01 4:47 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Cotton Rodney Director | 11,766 | $0 | 11,766 (Direct) | View |
| 2026-05-28 Option Award | 2026-06-01 4:47 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Caple Kim Director | 11,766 | $0 | 11,766 (Direct) | View |
| 2026-05-28 Option Award | 2026-06-01 4:44 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | BRADBURY DANIEL Director | 11,766 | $0 | 11,766 (Direct) | View |
| 2026-05-28 Option Award | 2026-06-01 4:43 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Cole G Bradley Director | 11,766 | $0 | 11,766 (Direct) | View |
| 2026-05-22 Exercise | 2026-05-27 4:20 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Cole G Bradley Director | 13,667 | $0 | 32,976 (Direct) | View |
| 2026-05-22 Exercise | 2026-05-27 4:18 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | BRADBURY DANIEL Director | 13,667 | $0 | 35,631 (Direct) | View |
| 2026-05-22 Exercise | 2026-05-27 4:18 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Harrison Miles Director | 13,667 | $0 | 35,631 (Direct) | View |
| 2026-05-22 Exercise | 2026-05-27 4:17 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Olson Tiffany Director | 13,667 | $0 | 39,573 (Direct) | View |
| 2026-05-22 Exercise | 2026-05-27 4:17 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Goldberg Ellen Director | 13,667 | $0 | 40,921 (Direct) | View |
| 2026-05-22 Exercise | 2026-05-27 4:16 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Caple Kim Director | 13,667 | $0 | 36,121 (Direct) | View |
| 2026-05-22 Exercise | 2026-05-27 4:16 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Cotton Rodney Director | 13,667 | $0 | 32,998 (Direct) | View |
| 2026-05-21 Exercise | 2026-05-26 4:06 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Juvenal Tobin W Chief Commercial Officer | 11,210 | $3.38 | 98,035 (Direct) | View |
| 2026-05-21 Exercise | 2026-05-26 4:06 pm | N/A 2029-03-12 | CASTLE BIOSCIENCES INC | CSTL | Juvenal Tobin W Chief Commercial Officer | 11,210 | $0 | 98,035 (Direct) | View |
| 2026-05-20 Exercise | 2026-05-22 4:12 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 550 | $2.39 | 173,253 (Direct) | View |
| 2026-05-20 Exercise | 2026-05-22 4:12 pm | N/A 2028-11-11 | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 550 | $0 | 173,253 (Direct) | View |
| 2026-05-07 Exercise | 2026-05-11 4:06 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 6,214 | $2.39 | 173,457 (Direct) | View |
| 2026-05-07 Exercise | 2026-05-11 4:06 pm | N/A 2028-11-11 | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 6,214 | $0 | 173,457 (Direct) | View |
| 2026-04-21 Exercise | 2026-04-23 4:16 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 550 | $2.39 | 179,949 (Direct) | View |
| 2026-04-21 Exercise | 2026-04-23 4:16 pm | N/A 2028-11-11 | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 550 | $0 | 179,949 (Direct) | View |
| 2026-04-06 Exercise | 2026-04-08 4:34 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 6,214 | $2.39 | 180,777 (Direct) | View |
| 2026-04-06 Exercise | 2026-04-08 4:34 pm | N/A 2028-11-11 | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 6,214 | $0 | 180,777 (Direct) | View |
| 2026-03-26 Exercise | 2026-03-30 6:29 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 550 | $2.39 | 187,269 (Direct) | View |
| 2026-03-26 Exercise | 2026-03-30 6:29 pm | N/A 2028-11-11 | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 550 | $0 | 187,269 (Direct) | View |
| 2026-03-26 Exercise | 2026-03-30 6:27 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Cotton Rodney Director | 5,329 | $0 | 24,661 (Direct) | View |