InsiderTrades

Juvenal Tobin W

SEC CIK 1856542 · EDGAR

Buying vs selling by month open-market trades, last 24 months, CSTL
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
CSTLCASTLE BIOSCIENCES INCChief Commercial Off 58.6K — $2.79M 422021-12-102026-09-14

Most active insiders at CSTL, 12 months

#InsiderTitleBoughtSold
1 MAETZOLD DEREK JPres, Chief Exec. Off, Dir —$10.69M
2 Oelschlager Kristen MCOO —$3.19M
3 Juvenal Tobin WChief Commercial Off —$2.49M
4 Stokes FrankCFO —$1.46M
5 Cole G BradleyDir —$210.7K
6 Cotton RodneyDir ——
7 Caple KimDir ——
8 Goldberg EllenDir ——
9 Harrison MilesDir ——
10 Olson TiffanyDir ——

Transactions 42

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
MT 2026-09-16 16:20 2026-09-14+ CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off S - Sale $33.73 -6,600 58.6K -10% -$222.6K
T 2026-09-02 16:07 2026-08-31 CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off S - Sale $32.81 -1,730 65.2K -3% -$56.8K
T 2026-08-27 16:38 2026-08-25 CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off S - Sale $35.04 -9,050 66.9K -12% -$317.1K
T 2026-08-19 16:11 2026-08-17 CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off S - Sale $29.59 -1,730 76.0K -2% -$51.2K
T 2026-08-06 16:14 2025-11-24 CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off S - Sale $38.39 -1,301 77.7K -2% -$49.9K
MT 2026-08-04 16:36 2026-07-31+ CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off S - Sale $29.21 -19.0K 79.0K -19% -$556.2K
D 2026-05-26 16:06 2026-05-21 CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off M - OptEx $3.38 +11.2K 98.0K +13% +$37.9K
2026-03-16 2026-03-12 CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off S - Sale $25.24 -20.9K 86.8K -19% -$526.6K
DM 2026-03-05 2026-03-03+ CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off F - Tax $28.01 -14.1K 107.7K -12% -$395.4K
D 2026-03-05 2026-03-04 CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off M - OptEx — +25.8K 118.1K +28% —
D 2026-01-14 2026-01-12 CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off A - Grant $0.00 +9,207 96.0K +11% $0
2025-12-15 2025-12-11 CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off S - Sale $37.48 -13.2K 86.8K -13% -$494.7K
DM 2025-12-11 2025-12-09+ CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off M - OptEx — +22.1K 102.5K +28% —
DM 2025-12-11 2025-12-09+ CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off F - Tax $38.19 -8,931 100.0K -8% -$341.0K
D 2025-11-24 2025-11-20 CSTL CASTLE BIOSCIENCES INC 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 CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off S - Sale+OE $35.58 -4,693 84.6K -5% -$167.0K
DMA 2025-11-14 2025-11-11+ CSTL CASTLE BIOSCIENCES INC 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 CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off S - Sale+OE $35.39 -700 84.5K -0.8% -$24.8K
M 2025-11-13 2025-11-11+ CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off S - Sale $35.39 -700 84.0K -0.8% -$24.8K
D 2025-08-12 2025-08-08 CSTL CASTLE BIOSCIENCES INC 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 CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off M - OptEx $0.00 +10.6K 88.8K +14% $0
D 2025-03-06 2025-03-04 CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off M - OptEx — +13.8K 83.8K +20% —
D 2025-03-06 2025-03-04 CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off F - Tax $22.23 -5,573 78.2K -7% -$123.9K
2025-01-08 2025-01-06 CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off S - Sale $30.00 -2,230 69.9K -3% -$66.9K
DM 2024-12-11 2024-12-09+ CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off M - OptEx — +23.9K 73.7K +48% —
DM 2024-12-11 2024-12-09+ CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off F - Tax $30.48 -5,885 67.5K -8% -$179.3K
D 2024-11-07 2024-11-05 CSTL CASTLE BIOSCIENCES INC 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 CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off S - Sale+OE $35.56 -3,507 54.2K -6% -$124.7K
D 2024-11-05 2024-11-01 CSTL CASTLE BIOSCIENCES INC 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 CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off M - OptEx $3.38 +1,100 57.3K +2% +$3,718
D 2024-08-13 2024-08-09 CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off F - Tax $26.83 -2,592 56.2K -4% -$69.5K
D 2024-08-13 2024-08-09 CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off A - Grant $0.00 +10.6K 58.8K +22% $0
DM 2024-01-04 2024-01-02 CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off M - OptEx $2.89 +6,701 43.5K +18% +$19.4K
DM 2023-12-12 2023-12-09+ CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off F - Tax $20.17 -5,817 40.2K -13% -$117.3K
DM 2023-12-12 2023-12-09+ CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off M - OptEx — +23.9K 40.3K +145% —
D 2023-03-03 2023-03-01 CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off M - OptEx $2.39 +6,173 22.1K +39% +$14.8K
DM 2022-12-13 2022-12-10 CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off M - OptEx — +7,920 10.8K +275% —
DM 2022-12-13 2022-12-10 CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off F - Tax $22.32 -1,930 15.0K -11% -$43.1K
DM 2022-11-14 2022-11-10 CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off M - OptEx $2.39 +3,700 9,049 +69% +$8,829
I 2022-04-28 2022-04-26 CSTL CASTLE BIOSCIENCES INC Juvenal Tobin W Chief Commercial Off A - Grant — +2,230 2,230 New —
D 2021-12-14 2021-12-10 CSTL CASTLE BIOSCIENCES INC Chief Commercial Off M - OptEx — +1,750 5,282 +50% —
D 2021-12-14 2021-12-10 CSTL CASTLE BIOSCIENCES INC Chief Commercial Off F - Tax $40.52 -427 4,855 -8% -$17.3K

Purchase Sale Sale after option exercise All abbreviations