InsiderTrades

Stokes Frank

SEC CIK 1782815 · EDGAR

Buying vs selling by month open-market trades, last 26 months, CSTL
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
CSTLCASTLE BIOSCIENCES INCCFO 35.2K — $2.14M 302021-12-102026-08-14

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 30

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-08-18 16:10 2026-08-14 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO S - Sale $29.77 -24.9K 35.2K -41% -$741.5K
2026-03-09 2026-03-05 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO S - Sale $27.98 -6,001 60.1K -9% -$167.9K
DM 2026-03-05 2026-03-03 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO S - Sale+OE $27.44 -7,000 52.5K -12% -$192.1K
DM 2026-03-05 2026-03-04 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO M - OptEx $3.38 +27.9K 73.0K +62% +$94.5K
DM 2026-03-05 2026-03-03+ CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO F - Tax $28.02 -14.3K 48.9K -23% -$401.9K
D 2026-01-14 2026-01-12 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO A - Grant $0.00 +8,124 58.5K +16% $0
2025-12-15 2025-12-11 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO S - Sale $37.45 -4,496 50.3K -8% -$168.4K
DM 2025-12-11 2025-12-09+ CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO F - Tax $38.18 -9,292 51.4K -15% -$354.8K
DM 2025-12-11 2025-12-09+ CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO M - OptEx — +20.8K 57.9K +56% —
2025-11-13 2025-11-11 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO S - Sale $35.08 -5,388 43.3K -11% -$189.0K
D 2025-08-12 2025-08-08 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO M - OptEx $0.00 +9,744 53.1K +22% $0
D 2025-08-12 2025-08-08 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO F - Tax $19.36 -4,356 48.7K -8% -$84.3K
D 2025-03-06 2025-03-04 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO M - OptEx — +12.2K 48.8K +33% —
D 2025-03-06 2025-03-04 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO F - Tax $22.23 -5,448 43.3K -11% -$121.1K
2025-02-24 2025-02-20 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO S - Sale $26.70 -8,046 35.3K -19% -$214.8K
DM 2024-12-11 2024-12-09+ CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO M - OptEx — +22.8K 45.4K +101% —
DM 2024-12-11 2024-12-09+ CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO F - Tax $30.45 -10.2K 43.4K -19% -$311.9K
M 2024-11-19 2024-11-15 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO S - Sale $29.93 -6,923 31.6K -18% -$207.2K
M 2024-08-13 2024-08-07 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO S - Sale $25.70 -10.0K 30.8K -24% -$257.0K
D 2024-08-13 2024-08-09 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO F - Tax $26.83 -2,822 37.7K -7% -$75.7K
D 2024-08-13 2024-08-09 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO A - Grant $0.00 +9,745 40.6K +32% $0
DM 2023-12-12 2023-12-09+ CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO M - OptEx — +22.8K 39.9K +133% —
DM 2023-12-12 2023-12-09+ CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO F - Tax $20.17 -6,655 38.1K -15% -$134.2K
D 2023-04-05 2023-04-04 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO M - OptEx $3.38 +4,000 23.4K +21% +$13.5K
DM 2022-12-13 2022-12-10 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO M - OptEx — +8,170 20.4K +67% —
DM 2022-12-13 2022-12-10 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO F - Tax $22.32 -2,406 14.2K -15% -$53.7K
D 2022-05-16 2022-05-12 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO M - OptEx $3.38 +4,000 12.8K +46% +$13.5K
2022-04-28 2022-04-26 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO A - Grant — +1,114 8,775 +15% —
D 2021-12-14 2021-12-10 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO M - OptEx — +2,000 8,225 +32% —
D 2021-12-14 2021-12-10 CSTL CASTLE BIOSCIENCES INC Stokes Frank CFO F - Tax $40.52 -895 7,330 -11% -$36.3K

Purchase Sale Sale after option exercise All abbreviations