PAGEInsider
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Nov 24 '25 | Sale | 38.39 | 1,301 | 49,945 | 77,694 | Aug 06 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Aug 03 '26 | Sale | 28.25 | 1,730 | 48,873 | 78,995 | Aug 04 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Jul 31 '26 | Sale | 29.31 | 17,310 | 507,301 | 80,725 | Aug 04 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | May 21 '26 | Option Exercise | 3.38 | 11,210 | 37,890 | 98,035 | May 26 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Mar 12 '26 | Sale | 25.24 | 20,863 | 526,582 | 86,825 | Mar 16 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Mar 04 '26 | Option Exercise | 0.00 | 51,542 | 0 | 118,087 | Mar 05 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Dec 11 '25 | Sale | 37.48 | 13,200 | 494,736 | 86,825 | Dec 15 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Dec 10 '25 | Option Exercise | 0.00 | 6,170 | 0 | 102,515 | Dec 11 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Dec 09 '25 | Option Exercise | 0.00 | 15,961 | 0 | 102,786 | Dec 11 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Nov 20 '25 | Option Exercise | 3.38 | 4,693 | 15,862 | 89,288 | Nov 24 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Nov 20 '25 | Sale | 35.58 | 4,693 | 166,977 | 84,595 | Nov 24 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Nov 12 '25 | Sale | 35.40 | 400 | 14,160 | 83,827 | Nov 14 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Nov 12 '25 | Option Exercise | 3.38 | 200 | 676 | 84,727 | Nov 14 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Nov 11 '25 | Sale | 35.39 | 1,000 | 35,390 | 84,027 | Nov 14 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Nov 11 '25 | Option Exercise | 3.38 | 500 | 1,690 | 85,027 | Nov 14 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Aug 08 '25 | Option Exercise | 0.00 | 10,640 | 0 | 88,821 | Aug 12 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Jan 06 '25 | Sale | 30.00 | 2,230 | 66,900 | 69,943 | Jan 08 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Dec 10 '24 | Option Exercise | 0.00 | 7,919 | 0 | 73,676 | Dec 11 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Dec 09 '24 | Option Exercise | 0.00 | 15,961 | 0 | 70,139 | Dec 11 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Nov 05 '24 | Option Exercise | 3.38 | 3,507 | 11,854 | 57,685 | Nov 07 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Nov 05 '24 | Sale | 35.56 | 3,507 | 124,709 | 54,178 | Nov 07 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Nov 01 '24 | Option Exercise | 3.38 | 1,100 | 3,718 | 57,278 | Nov 05 |
| CSTL | Juvenal Tobin W | Chief Commercial Officer | Nov 01 '24 | Sale | 35.39 | 3,100 | 109,709 | 54,178 | Nov 05 |