MAETZOLD DEREK J
Pres. & Chief Exec. Officer
MAETZOLD DEREK J has filed 14 SEC Form 4 filings (120 transaction rows) across 1 company, with disclosures dating back to 2026. 14 of those filings fall inside the rolling window. Most recent filing: Jul 29, 2026.
Companies traded
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$3.8M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| CSTL | Pres. & Chief Exec. Officer | Sale | 9,002 | $218K | Jul 29 | SEC ↗ | |
| CSTL | Pres. & Chief Exec. Officer | Sale | 3,338 | $77K | Jul 16 | SEC ↗ | |
| CSTL | Pres. & Chief Exec. Officer | Sale | 9,002 | $219K | Jul 6 | SEC ↗ | |
| CSTL | Pres. & Chief Exec. Officer | Sale | 3,338 | $69K | Jun 17 | SEC ↗ | |
| CSTL | Pres. & Chief Exec. Officer | Sale | 9,002 | $188K | Jun 3 | SEC ↗ | |
| CSTL | Pres. & Chief Exec. Officer | Sale | 791 | $16K | May 22 | SEC ↗ | |
| CSTL | Pres. & Chief Exec. Officer | Sale | 2,547 | $51K | May 22 | SEC ↗ | |
| CSTL | Pres. & Chief Exec. Officer | Sale | 9,002 | $199K | May 11 | SEC ↗ | |
| CSTL | Pres. & Chief Exec. Officer | Sale | 3,338 | $84K | Apr 23 | SEC ↗ | |
| CSTL | Pres. & Chief Exec. Officer | Sale | 9,002 | $225K | Apr 8 | SEC ↗ | |
| CSTL | Pres. & Chief Exec. Officer | Sale | 3,338 | $85K | Mar 30 | SEC ↗ | |
| CSTL | Pres. & Chief Exec. Officer | Sale | 18,650 | $484K | Mar 19 | SEC ↗ | |
| CSTL | Pres. & Chief Exec. Officer | Sale | 650 | $17K | Mar 19 | SEC ↗ | |
| CSTL | Pres. & Chief Exec. Officer | Sale | 13,204 | $336K | Mar 17 | SEC ↗ | |
| CSTL | Pres. & Chief Exec. Officer | Sale | 17,575 | $456K | Mar 17 | SEC ↗ | |
| CSTL | Pres. & Chief Exec. Officer | Sale | 20,388 | $532K | Mar 13 | SEC ↗ | |
| CSTL | Pres. & Chief Exec. Officer | Sale | 23,179 | $586K | Mar 13 | SEC ↗ |