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| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For CSTL | |||||
| 2026-02-04 | Maetzold, Derek J | Director, Pres. & Chief Exec. Officer | Sold | 171 | $38.61 |
| 2026-02-04 | Maetzold, Derek J | Director, Pres. & Chief Exec. Officer | Sold | 646 | $37.82 |
| 2026-02-03 | Maetzold, Derek J | Director, Pres. & Chief Exec. Officer | Sold | 3200 | $39.91 |
| 2026-01-20 | Maetzold, Derek J | Director, Pres. & Chief Exec. Officer | Sold | 4017 | $40.01 |
| 2026-01-12 | Stokes, Frank | Chief Financial Officer | Purchased | 8124 | $0.00 |
| 2026-01-12 | Maetzold, Derek J | Director, Pres. & Chief Exec. Officer | Purchased | 62219 | $0.00 |
| 2026-01-12 | Juvenal, Tobin W | Chief Commercial Officer | Purchased | 9207 | $0.00 |
| 2026-01-12 | Maetzold, Derek J | Director, Pres. & Chief Exec. Officer | Purchased | 62219 | $0.00 |
| 2026-01-12 | Oelschlager, Kristen M | Chief Operating Officer | Purchased | 9207 | $0.00 |
| 2026-01-12 | Juvenal, Tobin W | Chief Commercial Officer | Purchased | 9207 | $0.00 |
| 2026-01-12 | Stokes, Frank | Chief Financial Officer | Purchased | 8124 | $0.00 |
| 2026-01-12 | Oelschlager, Kristen M | Chief Operating Officer | Purchased | 9207 | $0.00 |
| 2026-01-06 | Maetzold, Derek J | Director, Pres. & Chief Exec. Officer | Sold | 1339 | $40.10 |
| 2026-01-05 | Maetzold, Derek J | Director, Pres. & Chief Exec. Officer | Sold | 2678 | $38.09 |
| 2025-12-22 | Maetzold, Derek J | Director, Pres. & Chief Exec. Officer | Sold | 830 | $40.35 |
| 2025-12-17 | Oelschlager, Kristen M | Chief Operating Officer | Sold | 14888 | $39.31 |
| 2025-12-17 | Maetzold, Derek J | Director, Pres. & Chief Exec. Officer | Sold | 509 | $40.04 |
| 2025-12-16 | Maetzold, Derek J | Director, Pres. & Chief Exec. Officer | Sold | 12821 | $38.55 |
| 2025-12-15 | Maetzold, Derek J | Director, Pres. & Chief Exec. Officer | Sold | 1012 | $39.30 |
| 2025-12-15 | Maetzold, Derek J | Director, Pres. & Chief Exec. Officer | Sold | 18513 | $38.75 |
