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SEC filing
CSTL · CIK 1447362
4 · Mar 30, 2026 · MAETZOLD DEREK J sold 4,172 shares at $25.55/share ($106.6K); exercised options for 550 shares
MAETZOLD DEREK J sold 4,172 shares at $25.55/share ($106.6K); exercised options for 550 shares
FORM 4