MarketPeel
Insider Trading Intelligence
Chief Operating Officer
Fri, Oct 31, 2025
Oct 31
sold $317.46k of CSTL
12,678 shares @ $25.04
Decreased holdings by -31.50%
5th largest trade (out of 57)
Abnormally Large
Trade made by an officer
10b5-1 scheduled trade
20% win rate · -34.6% median edge vs SPY (10 trades, 90-day · small sample)
Abnormally large trade for this company
Price 21% above 200-day moving average
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

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