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 |
| 2026-02-03 Sale | 2026-02-05 4:17 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 4,017 | $39.52 | $158,757 | 345,070 (Indirect Direct) | View |
| 2026-01-20 Sale | 2026-01-22 4:15 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 4,017 | $40.01 | $160,732 | 349,087 (Indirect Direct) | View |
| 2026-01-05 Sale | 2026-01-07 4:06 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 4,017 | $38.76 | $155,694 | 290,885 (Indirect Direct) | View |
| 2025-12-22 Sale | 2025-12-29 4:07 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 830 | $40.35 | $33,491 | 294,902 (Indirect Direct) | View |
| 2025-12-17 Sale | 2025-12-19 4:06 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 509 | $40.04 | $20,380 | 295,732 (Indirect Direct) | View |
| 2025-12-17 Sale | 2025-12-19 4:06 pm | CASTLE BIOSCIENCES INC | CSTL | Oelschlager Kristen M Chief Operating Officer | 14,888 | $39.31 | $585,292 | 109,574 (Indirect Direct) | View |
| 2025-12-15 Sale | 2025-12-17 4:20 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 32,346 | $38.69 | $1,251,400 | 296,241 (Indirect Direct) | View |
| 2025-12-11 Sale | 2025-12-15 4:09 pm | CASTLE BIOSCIENCES INC | CSTL | Juvenal Tobin W Chief Commercial Officer | 13,200 | $37.48 | $494,736 | 86,825 (Direct) | View |
| 2025-12-11 Sale | 2025-12-15 4:08 pm | CASTLE BIOSCIENCES INC | CSTL | Stokes Frank Chief Financial Officer | 4,496 | $37.45 | $168,375 | 50,326 (Direct) | View |
| 2025-12-04 Sale | 2025-12-08 4:28 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 1,339 | $40.03 | $53,600 | 298,919 (Indirect Direct) | View |
| 2025-12-02 Sale | 2025-12-04 4:08 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2,678 | $39.23 | $105,058 | 300,258 (Indirect Direct) | View |
| 2025-11-26 Sale | 2025-12-01 4:09 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 4,258 | $40.09 | $170,703 | 302,936 (Indirect Direct) | View |
| 2025-11-25 Sale | 2025-11-26 2:58 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 5,115 | $40.05 | $204,851 | 307,194 (Indirect Direct) | View |
| 2025-11-20 Sale | 2025-11-24 4:24 pm | CASTLE BIOSCIENCES INC | CSTL | Juvenal Tobin W Chief Commercial Officer | 4,693 | $35.58 | $166,977 | 98,035 (Indirect Direct) | View |
| 2025-11-18 Sale | 2025-11-20 4:07 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 2,678 | $34.02 | $91,106 | 312,309 (Indirect Direct) | View |
| 2025-11-11 Sale(A) | 2025-11-14 4:09 pm | CASTLE BIOSCIENCES INC | CSTL | Juvenal Tobin W Chief Commercial Officer | 700 | $35.39 | $24,775 | 118,763 (Indirect Direct) | View |
| 2025-11-11 Sale | 2025-11-13 4:08 pm | CASTLE BIOSCIENCES INC | CSTL | Stokes Frank Chief Financial Officer | 5,388 | $35.08 | $189,011 | 43,328 (Direct) | View |
| 2025-11-11 Sale | 2025-11-13 4:08 pm | CASTLE BIOSCIENCES INC | CSTL | Juvenal Tobin W Chief Commercial Officer | 700 | $35.39 | $24,775 | 86,057 (Indirect Direct) | View |
| 2025-11-11 Sale | 2025-11-13 4:07 pm | CASTLE BIOSCIENCES INC | CSTL | Oelschlager Kristen M Chief Operating Officer | 18,932 | $35.1 | $664,513 | 109,574 (Indirect Direct) | View |
| 2025-11-04 Sale | 2025-11-06 4:08 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 9,373 | $30.84 | $289,079 | 314,987 (Indirect Direct) | View |
| 2025-10-31 Sale | 2025-11-04 8:56 pm | CASTLE BIOSCIENCES INC | CSTL | Oelschlager Kristen M Chief Operating Officer | 12,678 | $25.04 | $317,457 | 128,506 (Indirect Direct) | View |
| 2025-08-27 Sale(A) | 2025-11-04 8:38 pm | CASTLE BIOSCIENCES INC | CSTL | Oelschlager Kristen M Chief Operating Officer | 18,007 | $21.69 | $390,572 | 153,861 (Indirect Direct) | View |
| 2025-10-20 Sale | 2025-10-23 09:30 am | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 1,339 | $22.44 | $30,047 | 324,360 (Indirect Direct) | View |
| 2025-10-02 Sale | 2025-10-06 4:11 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 1,339 | $22.58 | $30,235 | 325,699 (Indirect Direct) | View |
| 2025-09-17 Sale | 2025-09-19 4:05 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 1,339 | $21.97 | $29,419 | 327,038 (Indirect Direct) | View |
| 2025-09-02 Sale | 2025-09-04 4:04 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 1,339 | $23.93 | $32,042 | 328,377 (Indirect Direct) | View |
| 2025-08-27 Sale | 2025-08-29 4:04 pm | CASTLE BIOSCIENCES INC | CSTL | Oelschlager Kristen M Chief Operating Officer | 12,677 | $22.02 | $279,135 | 141,116 (Direct) | View |
| 2025-08-27 Sale | 2025-08-29 4:04 pm | CASTLE BIOSCIENCES INC | CSTL | Oelschlager Kristen M Chief Operating Officer | 18,007 | $21.69 | $390,572 | 153,793 (Direct) | View |
| 2025-08-15 Sale | 2025-08-19 4:04 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 1,339 | $20.04 | $26,834 | 329,716 (Indirect Direct) | View |
| 2025-08-13 Sale | 2025-08-15 4:14 pm | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 43,019 | $19.5 | $839,043 | 331,055 (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 |
| 2026-01-12 Option Award | 2026-01-14 4:30 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 62,219 | $0 | 415,323 (Direct) | View |
| 2026-01-12 Option Award | 2026-01-14 4:30 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Oelschlager Kristen M Chief Operating Officer | 9,207 | $0 | 127,988 (Direct) | View |
| 2026-01-12 Option Award | 2026-01-14 4:30 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Juvenal Tobin W Chief Commercial Officer | 9,207 | $0 | 105,239 (Direct) | View |
| 2026-01-12 Option Award | 2026-01-14 4:30 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Stokes Frank Chief Financial Officer | 8,124 | $0 | 66,574 (Direct) | View |
| 2025-12-10 Tax Withholding | 2025-12-11 6:48 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 6,070 | $38.02 | 362,083 (Direct) | View |
| 2025-12-09 Exercise | 2025-12-11 6:48 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 48,919 | $0 | 362,083 (Direct) | View |
| 2025-12-09 Tax Withholding | 2025-12-11 6:48 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 13,181 | $38.25 | 362,083 (Direct) | View |
| 2025-12-10 Tax Withholding | 2025-12-11 6:47 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Oelschlager Kristen M Chief Operating Officer | 2,552 | $38.02 | 140,423 (Direct) | View |
| 2025-12-09 Exercise | 2025-12-11 6:47 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Oelschlager Kristen M Chief Operating Officer | 22,131 | $0 | 140,423 (Direct) | View |
| 2025-12-09 Tax Withholding | 2025-12-11 6:47 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Oelschlager Kristen M Chief Operating Officer | 4,691 | $38.25 | 140,423 (Direct) | View |
| 2025-12-10 Tax Withholding | 2025-12-11 6:46 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Stokes Frank Chief Financial Officer | 2,758 | $38.02 | 69,439 (Direct) | View |
| 2025-12-09 Exercise | 2025-12-11 6:46 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Stokes Frank Chief Financial Officer | 20,786 | $0 | 69,439 (Direct) | View |
| 2025-12-09 Tax Withholding | 2025-12-11 6:46 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Stokes Frank Chief Financial Officer | 6,534 | $38.25 | 69,439 (Direct) | View |
| 2025-12-10 Tax Withholding | 2025-12-11 6:44 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Juvenal Tobin W Chief Commercial Officer | 2,490 | $38.02 | 115,986 (Direct) | View |
| 2025-12-09 Exercise | 2025-12-11 6:44 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Juvenal Tobin W Chief Commercial Officer | 22,131 | $0 | 115,986 (Direct) | View |
| 2025-12-09 Tax Withholding | 2025-12-11 6:44 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Juvenal Tobin W Chief Commercial Officer | 6,441 | $38.25 | 115,986 (Direct) | View |
| 2025-11-20 Exercise | 2025-11-24 4:24 pm | N/A 2029-03-12 | CASTLE BIOSCIENCES INC | CSTL | Juvenal Tobin W Chief Commercial Officer | 4,693 | $0 | 98,035 (Direct) | View |
| 2025-11-20 Exercise | 2025-11-24 4:24 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Juvenal Tobin W Chief Commercial Officer | 4,693 | $3.38 | 98,035 (Direct) | View |
| 2025-11-11 Exercise(A) | 2025-11-14 4:09 pm | N/A 2029-03-12 | CASTLE BIOSCIENCES INC | CSTL | Juvenal Tobin W Chief Commercial Officer | 700 | $0 | 118,763 (Direct) | View |
| 2025-11-11 Exercise(A) | 2025-11-14 4:09 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Juvenal Tobin W Chief Commercial Officer | 700 | $3.38 | 118,763 (Direct) | View |
| 2025-08-08 Exercise | 2025-08-12 4:32 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 66,991 | $0 | 374,074 (Direct) | View |
| 2025-08-08 Tax Withholding | 2025-08-12 4:32 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | MAETZOLD DEREK J Pres. & Chief Exec. Officer | 23,972 | $19.36 | 374,074 (Direct) | View |
| 2025-08-08 Exercise | 2025-08-12 4:31 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Stokes Frank Chief Financial Officer | 9,744 | $0 | 48,716 (Direct) | View |
| 2025-08-08 Tax Withholding | 2025-08-12 4:31 pm | N/A N/A | CASTLE BIOSCIENCES INC | CSTL | Stokes Frank Chief Financial Officer | 4,356 | $19.36 | 48,716 (Direct) | View |