MarketPeel
Insider Trading Intelligence
Chief Operating Officer
Fri, Aug 8, 2025
Aug 8
sold $0.00 of CSTL
10,640 shares @ $0.00
Decreased holdings by -100.00%
Cluster Buy
Trade made by an officer
Part of a cluster of 4 transactions by 4 insiders
25% win rate · -13.5% median edge vs SPY (8 trades, 90-day · small sample)
Price 17% below 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

Recent insider activity at CSTL

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