$ Value
$0
Shares
27,987
Price
$0
Filed
Mar 5
Insider
Name
MAETZOLD DEREK J
Title
Pres. & Chief Exec. Officer
CIK
0001239501
Roles
Transaction Details
Transaction Date
2026-03-04
Code
M
Table
Derivative
Ownership
Direct
Equity Swap
No
Shares After
83,961
Footnotes
Reflects the withholding of shares of the Issuer's common stock to satisfy tax withholding obligations in connection with the delivery of vested performance stock units reported on January 12, 2026. | Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock. | Held by The Maetzold Descendants 2020 Trust of which the Reporting Person's spouse is the trustee and the Reporting Person's spouse and their children are beneficiaries. | Held by Derek Maetzold 2020 Irrevocable Trust of which the Reporting Person is the trustee and his children are beneficiaries. | Held by The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk of which the Reporting Person is the trustee and his child is the beneficiary. | Held by The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold of which the Reporting Person is the trustee and his child is the beneficiary. | Held by The Maetzold 2018 Remainder Trust FBO John Derek Maetzold of which the Reporting Person is the trustee and his child is the beneficiary. | Held by The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold of which the Reporting Person is the trustee and his child is the beneficiary. | Held by DJM Grantor Retained Annuity Trust No. 5 of which the Reporting Person is the trustee and beneficiary. | Held by DJM Grantor Retained Annuity Trust No. 6 of which the Reporting Person is the trustee and the beneficiaries are The Maetzold 2018 Remainder Trust FBO John Derek Maetzold, The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk, The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold and The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold. | Held by DJM Grantor Retained Annuity Trust No. 7 of which the Reporting Person is the trustee and beneficiary. | The RSU's vest in four equal annual installments beginning on March 03, 2027. | On March 4, 2024, the Reporting Person was granted 124,437 RSUs which vest in four equal installments beginning on March 4, 2025. | On March 4, 2025, the Reporting Person was granted 111,948 RSUs which vest in four equal installments beginning on March 4, 2026.
Filing Info
MAETZOLD DEREK J's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-04-21 | CSTL | M | $1K |
| 2026-04-21 | CSTL | ▼ | $14K |
| 2026-04-21 | CSTL | ▼ | $34K |
| 2026-04-21 | CSTL | ▼ | $29K |
| 2026-04-21 | CSTL | ▼ | $7K |
| 2026-04-21 | CSTL | ▼ | $7K |
| 2026-04-21 | CSTL | ▼ | $7K |
| 2026-04-21 | CSTL | ▼ | $7K |
| 2026-04-21 | CSTL | M | $0 |
| 2026-04-06 | CSTL | M | $15K |
Other Insiders at CSTL (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
|
MAETZOLD DEREK J
Pres. & Chief Exec. Officer
|
— | $2.5M | 2026-04-21 |
| Cole G Bradley | — | $211K | 2026-03-05 |
|
Stokes Frank
Chief Financial Officer
|
— | $360K | 2026-03-05 |
|
Juvenal Tobin W
Chief Commercial Officer
|
— | $527K | 2026-03-12 |
|
Oelschlager Kristen M
Chief Operating Officer
|
— | — | 2026-03-04 |
| Cotton Rodney | — | — | 2026-03-26 |