MarketPeel
Insider Trading Intelligence
Pres. & Chief Exec. Officer
Mon, Jan 12, 2026
Jan 12
bought $0.00 of CSTL
62,219 shares @ $0.00
Increased holdings by +210.80%
1396th largest trade (out of 1428)
Cluster BuyPositive 90D History
Trade made by an officer
Part of a cluster of 5 transactions by 3 insiders
Unscheduled trade
70% win rate · +13.4% median edge vs SPY (1282 trades, 90-day)
Price 64% 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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