| Name | Ticker | Relationship | Date | Transaction | AVG Cost Per Share | Shares | Total Value | Securities Owned After Transaction(s) | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| MAETZOLD DEREK J | CSTL | Pres. & Chief Exec. Officer | Nov 25 '25 | Sell | $40.05 | 5,115 | $204,850.64 | 45,822 | |
| MAETZOLD DEREK J | CSTL | Pres. & Chief Exec. Officer | Nov 18 '25 | Sell | $34.02 | 2,678 | $91,105.56 | 45,822 | |
| MAETZOLD DEREK J | CSTL | Pres. & Chief Exec. Officer | Nov 5 '25 | Sell | $31.85 | 2,678 | $85,296.98 | 45,822 | |
| MAETZOLD DEREK J | CSTL | Pres. & Chief Exec. Officer | Nov 4 '25 | Sell | $30.77 | 6,695 | $203,781.88 | 45,822 |