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Derek J. Maetzold: stock trades
Pres. & Chief Exec. Officer · corporate insider. 6 disclosed trades across 1 tickers, latest filing 2026-09-15. Source: SEC Form 4 filings.
Buys
0
Sells
6
Tickers
1
Disclosed trades
Insiders report exact share counts; the value is shares times the reported price when the filing includes one. Sells may be pre-scheduled 10b5-1 plans.
| Traded | Disclosed | Ticker | Side | Amount | Role |
|---|---|---|---|---|---|
| 2026-09-11 | 2026-09-15 | CSTL | sell | $2,327 | officer |
| 2026-09-11 | 2026-09-15 | CSTL | sell | $2,721 | officer |
| 2026-09-11 | 2026-09-15 | CSTL | sell | $7,310 | officer |
| 2026-09-11 | 2026-09-15 | CSTL | sell | $84,992 | officer |
| 2026-09-11 | 2026-09-15 | CSTL | sell | $99,968 | officer |
| 2026-09-11 | 2026-09-15 | CSTL | sell | $267,552 | officer |
Disclosures are informational and delayed; they are not investment advice. Browse all tracked figures, the Congress trades tracker or the live Smart Money feed.