MarketPeel
Insider Trading Intelligence
Pres. & Chief Exec. Officer
Tue, Feb 3, 2026
Feb 3
sold $127.72k of CSTL
3,200 shares @ $39.91
Decreased holdings by -3.60%
213th largest trade (out of 1428)
Positive 90D History
Trade made by an officer
10b5-1 scheduled trade
70% win rate · +13.4% median edge vs SPY (1283 trades, 90-day)
Price 51% 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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