Is Castle Biosciences, Inc. (CSTL) a Buy, Sell, or Hold?
NASDAQ : CSTL
Castle Biosciences, Inc. — Insider Trades
$24.51 USD
$0.61 (2.57%)
- Volume
- 296K
- Average Volume
- 397.1K
- Market Capitalization
- $743.39M
- P/E Ratio
- -57.07
- Dividend Yield
- 0.00%
- Price Target
- $40.00
- Year High
- $44.28
- Year Low
- $14.59
- Day High
- —
- Day Low
- —
- Payout Ratio
- $0.00
- Current Ratio
- $6.75
Insider Activity Summary (Last 12 Months)
Insiders Buying
55
Insiders Selling
147
Amount of Insider Selling
$866.92K
CSTL Insider Buying/Selling by Quarter
CSTL Insider Trading History
| Insider Name | Title | Date | Transaction | Cost | Filing Date |
|---|---|---|---|---|---|
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-07-14 | M-Exempt | 2.39 | 2026-07-16 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-07-14 | S-Sale | 22.92 | 2026-07-16 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-07-14 | S-Sale | 22.92 | 2026-07-16 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-07-14 | M-Exempt | 2.39 | 2026-07-16 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-07-14 | S-Sale | 22.92 | 2026-07-16 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-07-14 | S-Sale | 22.92 | 2026-07-16 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-07-01 | M-Exempt | 2.39 | 2026-07-06 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-07-01 | S-Sale | 24.29 | 2026-07-06 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-07-01 | S-Sale | 24.29 | 2026-07-06 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-07-01 | M-Exempt | 2.39 | 2026-07-06 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-07-01 | S-Sale | 24.29 | 2026-07-06 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-07-01 | S-Sale | 24.29 | 2026-07-06 |
| Oelschlager Kristen M | officer: Chief Operating Officer | 2026-07-01 | S-Sale | 24.4 | 2026-07-06 |
| Oelschlager Kristen M | officer: Chief Operating Officer | 2026-07-01 | S-Sale | 24.78 | 2026-07-06 |
| Oelschlager Kristen M | officer: Chief Operating Officer | 2026-06-16 | S-Sale | 20.71 | 2026-06-18 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-06-15 | M-Exempt | 2.39 | 2026-06-17 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-06-15 | S-Sale | 20.66 | 2026-06-17 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-06-15 | S-Sale | 20.66 | 2026-06-17 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-06-15 | M-Exempt | 2.39 | 2026-06-17 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-06-15 | S-Sale | 20.66 | 2026-06-17 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-06-15 | S-Sale | 20.66 | 2026-06-17 |
| Olson Tiffany | director | 2026-05-28 | A-Award | 0 | 2026-06-01 |
| Goldberg Ellen | director | 2026-05-28 | A-Award | 0 | 2026-06-01 |
| Harrison Miles | director | 2026-05-28 | A-Award | 0 | 2026-06-01 |
| Cotton Rodney | director | 2026-05-28 | A-Award | 0 | 2026-06-01 |
| Caple Kim | director | 2026-05-28 | A-Award | 0 | 2026-06-01 |
| BRADBURY DANIEL | director | 2026-05-28 | A-Award | 0 | 2026-06-01 |
| Cole G Bradley | director | 2026-05-28 | A-Award | 0 | 2026-06-01 |
| Cole G Bradley | director | 2026-05-22 | M-Exempt | 0 | 2026-05-27 |
| Cole G Bradley | director | 2026-05-22 | M-Exempt | 0 | 2026-05-27 |
| BRADBURY DANIEL | director | 2026-05-22 | M-Exempt | 0 | 2026-05-27 |
| BRADBURY DANIEL | director | 2026-05-22 | M-Exempt | 0 | 2026-05-27 |
| Harrison Miles | director | 2026-05-22 | M-Exempt | 0 | 2026-05-27 |
| Harrison Miles | director | 2026-05-22 | M-Exempt | 0 | 2026-05-27 |
| Olson Tiffany | director | 2026-05-22 | M-Exempt | 0 | 2026-05-27 |
| Olson Tiffany | director | 2026-05-22 | M-Exempt | 0 | 2026-05-27 |
| Goldberg Ellen | director | 2026-05-22 | M-Exempt | 0 | 2026-05-27 |
| Goldberg Ellen | director | 2026-05-22 | M-Exempt | 0 | 2026-05-27 |
| Caple Kim | director | 2026-05-22 | M-Exempt | 0 | 2026-05-27 |
| Caple Kim | director | 2026-05-22 | M-Exempt | 0 | 2026-05-27 |
| Cotton Rodney | director | 2026-05-22 | M-Exempt | 0 | 2026-05-27 |
| Cotton Rodney | director | 2026-05-22 | M-Exempt | 0 | 2026-05-27 |
| Juvenal Tobin W | officer: Chief Commercial Officer | 2026-05-21 | M-Exempt | 3.38 | 2026-05-26 |
| Juvenal Tobin W | officer: Chief Commercial Officer | 2026-05-21 | M-Exempt | 3.38 | 2026-05-26 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-20 | S-Sale | 20.002 | 2026-05-22 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-21 | S-Sale | 20.196 | 2026-05-22 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-20 | S-Sale | 20.002 | 2026-05-22 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-21 | S-Sale | 20.196 | 2026-05-22 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-21 | M-Exempt | 2.39 | 2026-05-22 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-20 | M-Exempt | 2.39 | 2026-05-22 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-21 | S-Sale | 20.196 | 2026-05-22 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-20 | S-Sale | 20.002 | 2026-05-22 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-20 | S-Sale | 20.002 | 2026-05-22 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-21 | S-Sale | 20.196 | 2026-05-22 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-20 | M-Exempt | 2.39 | 2026-05-22 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-21 | M-Exempt | 2.39 | 2026-05-22 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-07 | S-Sale | 22.08 | 2026-05-11 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-07 | S-Sale | 22.585 | 2026-05-11 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-07 | S-Sale | 22.08 | 2026-05-11 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-07 | S-Sale | 22.585 | 2026-05-11 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-07 | M-Exempt | 2.39 | 2026-05-11 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-07 | S-Sale | 22.08 | 2026-05-11 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-07 | S-Sale | 22.585 | 2026-05-11 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-07 | S-Sale | 22.08 | 2026-05-11 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-07 | S-Sale | 22.585 | 2026-05-11 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-05-07 | M-Exempt | 2.39 | 2026-05-11 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-04-21 | S-Sale | 25.098 | 2026-04-23 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-04-21 | S-Sale | 25.098 | 2026-04-23 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-04-21 | M-Exempt | 2.39 | 2026-04-23 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-04-21 | S-Sale | 25.098 | 2026-04-23 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-04-21 | M-Exempt | 2.39 | 2026-04-23 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-04-21 | S-Sale | 25.098 | 2026-04-23 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-04-06 | S-Sale | 25.03 | 2026-04-08 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-04-06 | S-Sale | 25.03 | 2026-04-08 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-04-06 | M-Exempt | 2.39 | 2026-04-08 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-04-06 | S-Sale | 25.03 | 2026-04-08 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-04-06 | M-Exempt | 2.39 | 2026-04-08 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-04-06 | S-Sale | 25.03 | 2026-04-08 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-03-26 | S-Sale | 25.551 | 2026-03-30 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-03-26 | S-Sale | 25.551 | 2026-03-30 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-03-26 | M-Exempt | 2.39 | 2026-03-30 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-03-26 | S-Sale | 25.551 | 2026-03-30 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-03-26 | M-Exempt | 2.39 | 2026-03-30 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-03-26 | S-Sale | 25.551 | 2026-03-30 |
| Cotton Rodney | director | 2026-03-26 | M-Exempt | 0 | 2026-03-30 |
| Cotton Rodney | director | 2026-03-26 | M-Exempt | 0 | 2026-03-30 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-03-17 | S-Sale | 25.93 | 2026-03-19 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-03-18 | S-Sale | 25.39 | 2026-03-19 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-03-13 | S-Sale | 25.447 | 2026-03-17 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-03-16 | S-Sale | 25.964 | 2026-03-17 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-03-16 | S-Sale | 26.68 | 2026-03-17 |
| Juvenal Tobin W | officer: Chief Commercial Officer | 2026-03-12 | S-Sale | 25.24 | 2026-03-16 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-03-11 | M-Exempt | 2.39 | 2026-03-13 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-03-11 | S-Sale | 26.109 | 2026-03-13 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-03-12 | S-Sale | 25.279 | 2026-03-13 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-03-11 | S-Sale | 26.109 | 2026-03-13 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-03-11 | S-Sale | 26.109 | 2026-03-13 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-03-11 | M-Exempt | 2.39 | 2026-03-13 |
| MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | 2026-03-11 | S-Sale | 26.109 | 2026-03-13 |
| Stokes Frank | officer: Chief Financial Officer | 2026-03-05 | S-Sale | 27.98 | 2026-03-09 |