CSTL Insider Activity
View recent SEC Form 4 insider transactions for CSTL, including purchases, sales, option exercises, and other insider filings.
| Date | Insider | Type | Quantity | Price | Total Value | Shares Owned |
|---|---|---|---|---|---|---|
| Nov 02, 2026 | MAETZOLD DEREK J | Sale | 2,816 | $36.01 | $101,390.08 | 2,024 |
| Nov 02, 2026 | MAETZOLD DEREK J | Sale | 382 | $36.81 | $14,062.95 | 1,642 |
| Nov 02, 2026 | MAETZOLD DEREK J | Sale | 7,555 | $36.01 | $272,017.78 | 4,929 |
| Nov 02, 2026 | MAETZOLD DEREK J | Sale | 2,393 | $36.01 | $86,159.97 | 1,721 |
| Nov 02, 2026 | MAETZOLD DEREK J | Sale | 325 | $36.81 | $11,964.55 | 1,396 |
| Nov 02, 2026 | MAETZOLD DEREK J | Sale | 1,025 | $36.81 | $37,734.35 | 3,904 |
| Oct 28, 2026 | Juvenal Tobin W | Sale | 1,237 | $35.58 | $44,008.75 | 44,194 |
| Oct 28, 2026 | Juvenal Tobin W | Sale | 5,341 | $36.62 | $195,582.08 | 38,853 |
| Oct 26, 2026 | Juvenal Tobin W | Sale | 3,288 | $33.08 | $108,767.04 | 45,431 |
| Oct 19, 2026 | MAETZOLD DEREK J | Sale | 8,580 | $31.91 | $273,787.80 | 12,484 |
| Oct 19, 2026 | MAETZOLD DEREK J | Sale | 2,718 | $31.91 | $86,731.38 | 4,114 |
| Oct 19, 2026 | MAETZOLD DEREK J | Sale | 3,198 | $31.91 | $102,048.18 | 4,840 |
| Oct 12, 2026 | Juvenal Tobin W | Sale | 3,288 | $33.64 | $110,608.32 | 48,719 |
| Oct 05, 2026 | MAETZOLD DEREK J | Sale | 8,580 | $35.57 | $305,156.28 | 21,064 |
| Oct 05, 2026 | MAETZOLD DEREK J | Sale | 3,198 | $35.57 | $113,740.07 | 8,038 |
| Oct 05, 2026 | MAETZOLD DEREK J | Exercise | 8,165 | $2.39 | $19,514.35 | 29,644 |
| Oct 05, 2026 | MAETZOLD DEREK J | Sale | 2,718 | $35.57 | $96,668.39 | 6,832 |
| Oct 01, 2026 | Oelschlager Kristen M | Exercise | 4,153 | $3.38 | $14,037.14 | 17,509 |
| Oct 01, 2026 | Oelschlager Kristen M | Sale | 1,346 | $36.38 | $48,967.48 | 13,356 |
| Oct 01, 2026 | Oelschlager Kristen M | Sale | 2,807 | $35.75 | $100,350.25 | 14,702 |
| Sep 30, 2026 | Juvenal Tobin W | Sale | 1,034 | $34.20 | $35,362.80 | 52,007 |
| Sep 29, 2026 | Juvenal Tobin W | Sale | 5,543 | $35.50 | $196,765.41 | 53,041 |
| Sep 21, 2026 | MAETZOLD DEREK J | Exercise | 8,580 | $2.39 | $20,506.20 | 30,059 |
| Sep 21, 2026 | MAETZOLD DEREK J | Sale | 3,198 | $35.33 | $112,998.13 | 11,236 |
| Sep 21, 2026 | MAETZOLD DEREK J | Sale | 2,718 | $35.33 | $96,037.81 | 9,550 |
| Sep 15, 2026 | Juvenal Tobin W | Sale | 3,294 | $35.14 | $115,757.75 | 58,584 |
| Sep 14, 2026 | Juvenal Tobin W | Sale | 3,306 | $32.32 | $106,863.14 | 61,878 |
| Sep 11, 2026 | MAETZOLD DEREK J | Exercise | 8,584 | $2.39 | $20,515.76 | 30,063 |
| Sep 11, 2026 | MAETZOLD DEREK J | Sale | 8,361 | $32.00 | $267,552.00 | 21,702 |
| Sep 11, 2026 | MAETZOLD DEREK J | Sale | 3,124 | $32.00 | $99,968.00 | 14,517 |
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