MAETZOLD DEREK J — Form 4
Filed July 6, 2026 · analyzed by the Insider Agent
4
▼ Likely negative
significance 36/100
What the filing says
Pres. & Chief Exec. Officer MAETZOLD DEREK J (CSTL) sold 16K shares (~$239K) on the open market (16% of holdings). Open-market sale — often routine.
Why this rating
Open-market sale — often routine.
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