InsiderTrades

Cotton Rodney

SEC CIK 2015732 · EDGAR

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
CSTLCASTLE BIOSCIENCES INCDir 33.0K — — 42025-03-262026-05-22

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 4

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
D 2026-05-27 16:16 2026-05-22 CSTL CASTLE BIOSCIENCES INC Cotton Rodney Dir M - OptEx — +13.7K 33.0K +71% —
D 2026-03-30 2026-03-26 CSTL CASTLE BIOSCIENCES INC Cotton Rodney Dir M - OptEx — +5,329 19.3K +38% —
D 2025-05-23 2025-05-21 CSTL CASTLE BIOSCIENCES INC Cotton Rodney Dir M - OptEx — +8,673 14.0K +163% —
D 2025-03-28 2025-03-26 CSTL CASTLE BIOSCIENCES INC Cotton Rodney Dir M - OptEx — +5,329 5,329 New —

Purchase Sale Sale after option exercise All abbreviations