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Not Investment Advice
Who owns CSTL stock?
C
Who owns CSTL stock?
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CSTL Ownership & Insider Activity

Institutional Ownership

Top Holders

HolderSharesValue
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A
UnknownN/AN/A

Recent Insider Trades

NameTypeSharesDate
MAETZOLD DEREK J4202026-05-21
MAETZOLD DEREK J1.0K2026-05-21
MAETZOLD DEREK J8802026-05-21
MAETZOLD DEREK J2122026-05-21
MAETZOLD DEREK J1302026-05-20
MAETZOLD DEREK J3222026-05-20
MAETZOLD DEREK J2732026-05-20
MAETZOLD DEREK J662026-05-20
MAETZOLD DEREK J6.2K2026-05-07
MAETZOLD DEREK J5.3K2026-05-07
Insider Trades 13F Holdings CSTL Overview
What is CSTL institutional ownership? Who is the largest shareholder of CSTL? Are insiders buying or selling CSTL? What hedge funds own CSTL?

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms