CSTL CASTLE BIOSCIENCES INC
Nasdaq · SEC CIK 1447362 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $18.04M 75 sales by 5 insiders
- Filings on record
- 362 since 2021-07-09, latest 2026-09-23 16:27
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | — | $10.69M |
| Oelschlager Kristen M | COO | — | $3.19M |
| Juvenal Tobin W | Chief Commercial Off | — | $2.49M |
| Stokes Frank | CFO | — | $1.46M |
| Cole G Bradley | Dir | — | $210.7K |
| Cotton Rodney | Dir | — | — |
| Caple Kim | Dir | — | — |
| Goldberg Ellen | Dir | — | — |
| Harrison Miles | Dir | — | — |
| Olson Tiffany | Dir | — | — |
Transactions 486
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-12-15 | 2025-12-11 | CSTL | Stokes Frank | CFO | S - Sale | $37.45 | -4,496 | 50.3K | -8% | -$168.4K | |
| DM | 2025-12-11 | 2025-12-09+ | CSTL | Oelschlager Kristen M | COO | F - Tax | $38.17 | -7,243 | 23.6K | -23% | -$276.5K |
| DM | 2025-12-11 | 2025-12-09+ | CSTL | Oelschlager Kristen M | COO | M - OptEx | — | +22.1K | 28.3K | +360% | — |
| DM | 2025-12-11 | 2025-12-09+ | CSTL | Stokes Frank | CFO | F - Tax | $38.18 | -9,292 | 51.4K | -15% | -$354.8K |
| DM | 2025-12-11 | 2025-12-09+ | CSTL | Stokes Frank | CFO | M - OptEx | — | +20.8K | 57.9K | +56% | — |
| DM | 2025-12-11 | 2025-12-09+ | CSTL | Juvenal Tobin W | Chief Commercial Off | M - OptEx | — | +22.1K | 102.5K | +28% | — |
| DM | 2025-12-11 | 2025-12-09+ | CSTL | Juvenal Tobin W | Chief Commercial Off | F - Tax | $38.19 | -8,931 | 100.0K | -8% | -$341.0K |
| DM | 2025-12-11 | 2025-12-09+ | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | M - OptEx | — | +48.9K | 73.3K | +201% | — |
| DM | 2025-12-11 | 2025-12-09+ | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | F - Tax | $38.18 | -19.3K | 57.9K | -25% | -$735.0K |
| 2025-12-08 | 2025-12-04 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $40.03 | -1,339 | 37.5K | -3% | -$53.6K | |
| 2025-12-04 | 2025-12-02 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $39.23 | -2,678 | 38.9K | -6% | -$105.1K | |
| 2025-12-01 | 2025-11-26 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $40.09 | -4,258 | 41.6K | -9% | -$170.7K | |
| 2025-11-26 | 2025-11-25 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $40.05 | -5,115 | 45.8K | -10% | -$204.9K | |
| D | 2025-11-24 | 2025-11-20 | CSTL | Juvenal Tobin W | Chief Commercial Off | M - OptEx | $3.38 | +4,693 | 89.3K | +6% | +$15.9K |
| D | 2025-11-24 | 2025-11-20 | CSTL | Juvenal Tobin W | Chief Commercial Off | S - Sale+OE | $35.58 | -4,693 | 84.6K | -5% | -$167.0K |
| 2025-11-20 | 2025-11-18 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $34.02 | -2,678 | 50.9K | -5% | -$91.1K | |
| DMA | 2025-11-14 | 2025-11-11+ | CSTL | Juvenal Tobin W | Chief Commercial Off | M - OptEx | $3.38 | +700 | 85.0K | +0.8% | +$2,366 |
| DMA | 2025-11-14 | 2025-11-11+ | CSTL | Juvenal Tobin W | Chief Commercial Off | S - Sale+OE | $35.39 | -700 | 84.5K | -0.8% | -$24.8K |
| 2025-11-13 | 2025-11-11 | CSTL | Stokes Frank | CFO | S - Sale | $35.08 | -5,388 | 43.3K | -11% | -$189.0K | |
| 2025-11-13 | 2025-11-11 | CSTL | Oelschlager Kristen M | COO | S - Sale | $35.10 | -18.9K | 12.3K | -61% | -$664.5K | |
| M | 2025-11-13 | 2025-11-11+ | CSTL | Juvenal Tobin W | Chief Commercial Off | S - Sale | $35.39 | -700 | 84.0K | -0.8% | -$24.8K |
| M | 2025-11-06 | 2025-11-04+ | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $30.84 | -9,373 | 56.5K | -14% | -$289.1K |
| AI | 2025-11-04 | 2025-08-27 | CSTL | Oelschlager Kristen M | COO | S - Sale | $21.69 | -18.0K | 100.9K | -15% | -$390.6K |
| 2025-11-04 | 2025-10-31 | CSTL | Oelschlager Kristen M | COO | S - Sale | $25.04 | -12.7K | 27.6K | -32% | -$317.5K | |
| 2025-10-23 | 2025-10-20 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $22.44 | -1,339 | 63.0K | -2% | -$30.0K | |
| 2025-10-06 | 2025-10-02 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $22.58 | -1,339 | 64.3K | -2% | -$30.2K | |
| 2025-09-19 | 2025-09-17 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $21.97 | -1,339 | 65.7K | -2% | -$29.4K | |
| 2025-09-04 | 2025-09-02 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $23.93 | -1,339 | 67.0K | -2% | -$32.0K | |
| 2025-08-29 | 2025-08-27 | CSTL | Oelschlager Kristen M | COO | S - Sale | $21.69 | -18.0K | 153.8K | -10% | -$390.6K | |
| 2025-08-29 | 2025-08-27 | CSTL | Oelschlager Kristen M | COO | S - Sale | $22.02 | -12.7K | 141.1K | -8% | -$279.1K | |
| 2025-08-19 | 2025-08-15 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $20.04 | -1,339 | 68.3K | -2% | -$26.8K | |
| 2025-08-15 | 2025-08-13 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $19.50 | -43.0K | 69.7K | -38% | -$838.9K | |
| D | 2025-08-12 | 2025-08-08 | CSTL | Oelschlager Kristen M | COO | M - OptEx | $0.00 | +10.6K | 174.6K | +6% | $0 |
| D | 2025-08-12 | 2025-08-08 | CSTL | Oelschlager Kristen M | COO | F - Tax | $19.36 | -2,804 | 171.8K | -2% | -$54.3K |
| D | 2025-08-12 | 2025-08-08 | CSTL | Stokes Frank | CFO | M - OptEx | $0.00 | +9,744 | 53.1K | +22% | $0 |
| D | 2025-08-12 | 2025-08-08 | CSTL | Stokes Frank | CFO | F - Tax | $19.36 | -4,356 | 48.7K | -8% | -$84.3K |
| D | 2025-08-12 | 2025-08-08 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | M - OptEx | $0.00 | +67.0K | 136.7K | +96% | $0 |
| D | 2025-08-12 | 2025-08-08 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | F - Tax | $19.36 | -24.0K | 112.7K | -18% | -$464.1K |
| D | 2025-08-12 | 2025-08-08 | CSTL | Juvenal Tobin W | Chief Commercial Off | F - Tax | $19.36 | -4,294 | 84.5K | -5% | -$83.1K |
| D | 2025-08-12 | 2025-08-08 | CSTL | Juvenal Tobin W | Chief Commercial Off | M - OptEx | $0.00 | +10.6K | 88.8K | +14% | $0 |
| 2025-07-01 | 2025-06-27 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $20.30 | -4,944 | 69.7K | -7% | -$100.4K | |
| MI | 2025-07-01 | 2025-06-27 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $20.30 | -17.6K | 52.9K | -25% | -$357.9K |
| D | 2025-05-23 | 2025-05-21 | CSTL | Caple Kim | Dir | M - OptEx | — | +8,673 | 22.5K | +63% | — |
| D | 2025-05-23 | 2025-05-21 | CSTL | Harrison Miles | Dir | M - OptEx | — | +8,673 | 22.0K | +65% | — |
| D | 2025-05-23 | 2025-05-21 | CSTL | BRADBURY DANIEL | Dir | M - OptEx | — | +8,673 | 8,673 | New | — |
| D | 2025-05-23 | 2025-05-21 | CSTL | Cotton Rodney | Dir | M - OptEx | — | +8,673 | 14.0K | +163% | — |
| D | 2025-05-23 | 2025-05-21 | CSTL | Cole G Bradley | Dir | M - OptEx | — | +8,673 | 22.0K | +65% | — |
| D | 2025-05-23 | 2025-05-21 | CSTL | Goldberg Ellen | Dir | M - OptEx | — | +8,673 | 27.3K | +47% | — |
| D | 2025-05-23 | 2025-05-21 | CSTL | Olson Tiffany | Dir | M - OptEx | — | +8,673 | 25.9K | +50% | — |
| MI | 2025-04-23 | 2025-04-21 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $21.52 | -4,408 | 4,275 | -51% | -$94.9K |
| 2025-04-23 | 2025-04-21 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $21.52 | -1,236 | 74.6K | -2% | -$26.6K | |
| MI | 2025-04-10 | 2025-04-08+ | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $20.19 | -4,408 | 4,440 | -50% | -$89.0K |
| M | 2025-04-10 | 2025-04-08+ | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $20.19 | -1,236 | 76.9K | -2% | -$25.0K |
| MI | 2025-03-28 | 2025-03-26 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $20.30 | -4,408 | 55.4K | -7% | -$89.5K |
| 2025-03-28 | 2025-03-26 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $20.30 | -1,236 | 77.1K | -2% | -$25.1K | |
| D | 2025-03-28 | 2025-03-26 | CSTL | Cotton Rodney | Dir | M - OptEx | — | +5,329 | 5,329 | New | — |
| MI | 2025-03-11 | 2025-03-07 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $20.11 | -4,408 | 4,770 | -48% | -$88.7K |
| M | 2025-03-11 | 2025-03-07+ | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $20.06 | -24.8K | 82.6K | -23% | -$497.0K |
| D | 2025-03-06 | 2025-03-04 | CSTL | Oelschlager Kristen M | COO | F - Tax | $22.23 | -3,640 | 164.0K | -2% | -$80.9K |
| D | 2025-03-06 | 2025-03-04 | CSTL | Oelschlager Kristen M | COO | M - OptEx | — | +13.8K | 167.6K | +9% | — |
| D | 2025-03-06 | 2025-03-04 | CSTL | Juvenal Tobin W | Chief Commercial Off | M - OptEx | — | +13.8K | 83.8K | +20% | — |
| D | 2025-03-06 | 2025-03-04 | CSTL | Juvenal Tobin W | Chief Commercial Off | F - Tax | $22.23 | -5,573 | 78.2K | -7% | -$123.9K |
| DMI | 2025-03-06 | 2025-03-04 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale+OE | $20.86 | -4,440 | 69.1K | -6% | -$92.6K |
| D | 2025-03-06 | 2025-03-04 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | M - OptEx | — | +31.1K | 111.9K | +38% | — |
| D | 2025-03-06 | 2025-03-04 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale+OE | $20.86 | -1,247 | 103.1K | -1% | -$26.0K |
| D | 2025-03-06 | 2025-03-04 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | F - Tax | $22.23 | -7,576 | 104.4K | -7% | -$168.4K |
| D | 2025-03-06 | 2025-03-04 | CSTL | Stokes Frank | CFO | M - OptEx | — | +12.2K | 48.8K | +33% | — |
| D | 2025-03-06 | 2025-03-04 | CSTL | Stokes Frank | CFO | F - Tax | $22.23 | -5,448 | 43.3K | -11% | -$121.1K |
| 2025-02-24 | 2025-02-20 | CSTL | Stokes Frank | CFO | S - Sale | $26.70 | -8,046 | 35.3K | -19% | -$214.8K | |
| MI | 2025-02-07 | 2025-02-05 | CSTL | BRADBURY DANIEL | Dir | S - Sale | $28.17 | -7,867 | 0 | -100% | -$221.6K |
| M | 2025-01-15 | 2025-01-13 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $28.03 | -986 | 80.8K | -1% | -$27.6K |
| MI | 2025-01-15 | 2025-01-13 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $28.03 | -1,579 | 71.3K | -2% | -$44.3K |
| MI | 2025-01-08 | 2025-01-06 | CSTL | BRADBURY DANIEL | Dir | S - Sale | $29.14 | -7,867 | 1,559 | -83% | -$229.2K |
| 2025-01-08 | 2025-01-06 | CSTL | Juvenal Tobin W | Chief Commercial Off | S - Sale | $30.00 | -2,230 | 69.9K | -3% | -$66.9K | |
| MI | 2025-01-08 | 2025-01-06+ | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $29.66 | -4,731 | 61.0K | -7% | -$140.3K |
| M | 2025-01-08 | 2025-01-06+ | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $29.66 | -2,958 | 81.8K | -3% | -$87.7K |
| M | 2024-12-19 | 2024-12-17 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $28.34 | -9,364 | 84.8K | -10% | -$265.3K |
| MI | 2024-12-17 | 2024-12-13 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $28.64 | -1,579 | 62.5K | -2% | -$45.2K |
| M | 2024-12-17 | 2024-12-13+ | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $28.73 | -24.5K | 108.5K | -18% | -$705.0K |
| DM | 2024-12-11 | 2024-12-09+ | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | M - OptEx | — | +54.3K | 111.4K | +95% | — |
| DM | 2024-12-11 | 2024-12-09+ | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | F - Tax | $30.42 | -21.4K | 109.3K | -16% | -$649.8K |
| DM | 2024-12-11 | 2024-12-09+ | CSTL | Stokes Frank | CFO | M - OptEx | — | +22.8K | 45.4K | +101% | — |
| DM | 2024-12-11 | 2024-12-09+ | CSTL | Stokes Frank | CFO | F - Tax | $30.45 | -10.2K | 43.4K | -19% | -$311.9K |
| DM | 2024-12-11 | 2024-12-09+ | CSTL | Juvenal Tobin W | Chief Commercial Off | M - OptEx | — | +23.9K | 73.7K | +48% | — |
| DM | 2024-12-11 | 2024-12-09+ | CSTL | Juvenal Tobin W | Chief Commercial Off | F - Tax | $30.48 | -5,885 | 67.5K | -8% | -$179.3K |
| DM | 2024-12-11 | 2024-12-09+ | CSTL | Oelschlager Kristen M | COO | M - OptEx | — | +23.9K | 148.5K | +19% | — |
| DM | 2024-12-11 | 2024-12-09+ | CSTL | Oelschlager Kristen M | COO | F - Tax | $30.48 | -6,362 | 148.0K | -4% | -$193.9K |
| MI | 2024-12-09 | 2024-12-05 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $31.35 | -3,155 | 5,860 | -35% | -$98.9K |
| 2024-12-09 | 2024-12-05 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $31.35 | -1,972 | 85.7K | -2% | -$61.8K | |
| MI | 2024-12-05 | 2024-12-03 | CSTL | BRADBURY DANIEL | Dir | S - Sale | $30.98 | -7,867 | 10.0K | -44% | -$243.7K |
| M | 2024-11-19 | 2024-11-15 | CSTL | Stokes Frank | CFO | S - Sale | $29.93 | -6,923 | 31.6K | -18% | -$207.2K |
| 2024-11-14 | 2024-11-12 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $34.15 | -1,972 | 87.7K | -2% | -$67.3K | |
| MI | 2024-11-14 | 2024-11-12 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $34.15 | -3,155 | 6,160 | -34% | -$107.7K |
| D | 2024-11-07 | 2024-11-05 | CSTL | Juvenal Tobin W | Chief Commercial Off | M - OptEx | $3.38 | +3,507 | 57.7K | +6% | +$11.9K |
| D | 2024-11-07 | 2024-11-05 | CSTL | Juvenal Tobin W | Chief Commercial Off | S - Sale+OE | $35.56 | -3,507 | 54.2K | -6% | -$124.7K |
| MI | 2024-11-06 | 2024-11-04 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $32.54 | -3,155 | 6,455 | -33% | -$102.7K |
| M | 2024-11-06 | 2024-11-04 | CSTL | MAETZOLD DEREK J | Pres, Chief Exec. Off, Dir | S - Sale | $32.54 | -1,972 | 89.7K | -2% | -$64.2K |
| MI | 2024-11-05 | 2024-11-01 | CSTL | BRADBURY DANIEL | Dir | S - Sale | $34.73 | -7,867 | 18.7K | -30% | -$273.3K |
| D | 2024-11-05 | 2024-11-01 | CSTL | Juvenal Tobin W | Chief Commercial Off | S - Sale+OE | $35.39 | -3,100 | 54.2K | -5% | -$109.7K |
| D | 2024-11-05 | 2024-11-01 | CSTL | Juvenal Tobin W | Chief Commercial Off | M - OptEx | $3.38 | +1,100 | 57.3K | +2% | +$3,718 |
Purchase Sale Sale after option exercise All abbreviations