MarketPeel
Insider Trading Intelligence
Chief Operating Officer
Wed, Aug 27, 2025
Aug 27
sold $279.13k of CSTL
12,677 shares @ $22.02
Decreased holdings by -8.20%
6th largest trade (out of 57)
Abnormally Large
Trade made by an officer
10b5-1 scheduled trade
25% win rate · -13.5% median edge vs SPY (8 trades, 90-day · small sample)
Abnormally large trade for this company
Small Cap stock — insider trades carry more weight
CSTLCASTLE BIOSCIENCES INC
HealthcareDiagnostics & Research
1D0.00%
1W+0.34%
1M+14.81%
3M-3.42%
6M
1Y

Recent insider activity at CSTL

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