Loading CSTL…
SEC filing
CSTL · CIK 1447362
4 · May 11, 2026 · MAETZOLD DEREK J sold 9,836 shares at $22.15/share ($217.9K); exercised options for 6,214 shares
MAETZOLD DEREK J sold 9,836 shares at $22.15/share ($217.9K); exercised options for 6,214 shares
FORM 4