InsiderTrades

Oelschlager Kristen M

SEC CIK 1856565 · EDGAR

Buying vs selling by month open-market trades, last 60 months, CSTL
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
CSTLCASTLE BIOSCIENCES INCCOO 17.5K — $5.55M 392021-09-272026-09-01

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 39

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
DT 2026-09-03 16:07 2026-09-01 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO M - OptEx $3.38 +4,152 17.5K +31% +$14.0K
DMT 2026-09-03 16:07 2026-09-01 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO S - Sale+OE $33.39 -4,152 13.4K -24% -$138.6K
MI 2026-08-26 16:16 2026-08-24+ CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO S - Sale $34.06 -24.6K 72.6K -25% -$837.9K
MT 2026-08-05 16:18 2026-08-03 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO S - Sale $29.77 -8,586 13.3K -39% -$255.6K
MT 2026-07-06 16:24 2026-07-01 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO S - Sale $24.42 -8,586 21.9K -28% -$209.7K
T 2026-06-18 16:19 2026-06-16 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO S - Sale $20.71 -8,587 30.5K -22% -$177.8K
DM 2026-03-05 2026-03-03+ CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO F - Tax $28.01 -9,219 39.0K -19% -$258.2K
D 2026-03-05 2026-03-04 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO M - OptEx — +25.8K 45.8K +128% —
D 2026-01-14 2026-01-12 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO A - Grant $0.00 +9,207 21.5K +75% $0
2025-12-19 2025-12-17 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO S - Sale $39.31 -14.9K 12.3K -55% -$585.2K
DM 2025-12-11 2025-12-09+ CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO F - Tax $38.17 -7,243 23.6K -23% -$276.5K
DM 2025-12-11 2025-12-09+ CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO M - OptEx — +22.1K 28.3K +360% —
2025-11-13 2025-11-11 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO S - Sale $35.10 -18.9K 12.3K -61% -$664.5K
AI 2025-11-04 2025-08-27 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO S - Sale $21.69 -18.0K 100.9K -15% -$390.6K
2025-11-04 2025-10-31 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO S - Sale $25.04 -12.7K 27.6K -32% -$317.5K
2025-08-29 2025-08-27 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO S - Sale $21.69 -18.0K 153.8K -10% -$390.6K
2025-08-29 2025-08-27 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO S - Sale $22.02 -12.7K 141.1K -8% -$279.1K
D 2025-08-12 2025-08-08 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO M - OptEx $0.00 +10.6K 174.6K +6% $0
D 2025-08-12 2025-08-08 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO F - Tax $19.36 -2,804 171.8K -2% -$54.3K
D 2025-03-06 2025-03-04 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO F - Tax $22.23 -3,640 164.0K -2% -$80.9K
D 2025-03-06 2025-03-04 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO M - OptEx — +13.8K 167.6K +9% —
DM 2024-12-11 2024-12-09+ CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO M - OptEx — +23.9K 148.5K +19% —
DM 2024-12-11 2024-12-09+ CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO F - Tax $30.48 -6,362 148.0K -4% -$193.9K
M 2024-09-05 2024-09-03 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO S - Sale $29.21 -5,832 134.8K -4% -$170.3K
D 2024-08-13 2024-08-09 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO F - Tax $26.83 -2,804 140.7K -2% -$75.2K
D 2024-08-13 2024-08-09 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO A - Grant $0.00 +10.6K 143.5K +8% $0
M 2024-08-05 2024-08-01 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO S - Sale $23.06 -13.0K 137.1K -9% -$299.5K
2024-07-31 2024-07-29 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO S - Sale $22.06 -2,793 145.8K -2% -$61.6K
2024-07-03 2024-07-01 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO S - Sale $21.22 -2,793 148.6K -2% -$59.3K
DM 2024-01-03 2023-12-29 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO M - OptEx $3.01 +12.6K 142.3K +10% +$38.0K
DM 2023-12-12 2023-12-09+ CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO M - OptEx $0.00 +23.9K 138.0K +21% $0
DM 2023-12-12 2023-12-09+ CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO F - Tax $20.17 -6,294 136.4K -4% -$126.9K
D 2022-12-30 2022-12-28 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO M - OptEx $2.39 +7,178 118.9K +6% +$17.2K
DM 2022-12-13 2022-12-10 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO F - Tax $22.32 -2,334 111.7K -2% -$52.1K
DM 2022-12-13 2022-12-10 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO M - OptEx $0.00 +7,920 113.6K +7% $0
2022-04-28 2022-04-26 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO A - Grant — +6,692 105.9K +7% —
D 2021-12-14 2021-12-10 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO M - OptEx — +1,750 99.3K +2% —
D 2021-12-14 2021-12-10 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO F - Tax $40.52 -516 98.8K -0.5% -$20.9K
M 2021-09-29 2021-09-27 CSTL CASTLE BIOSCIENCES INC Oelschlager Kristen M COO S - Sale $71.02 -10.0K 97.5K -9% -$710.2K

Purchase Sale Sale after option exercise All abbreviations