MarketPeel
Insider Trading Intelligence
Pres. & Chief Exec. Officer
Wed, Nov 26, 2025
Nov 26
sold $170.70k of CSTL
4,258 shares @ $40.09
Decreased holdings by -9.30%
170th largest trade (out of 1428)
Cluster BuyPositive 90D History
Trade made by an officer
Part of a cluster of 2 transactions by 2 insiders
10b5-1 scheduled trade
69% win rate · +13.3% median edge vs SPY (1272 trades, 90-day)
Price 84% 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

Recent insider activity at CSTL

FREE · DAILY · 6 AM ET

One short email. Insider buys, congressional trades, and plain-English analysis.

Feedback