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Insider Trading & Ownership of Derek J. Maetzold

Location
Friendswood, TX
Summary
The estimated net worth of Derek J. Maetzold is at least $13,048,605 dollars as of 17 Mar 2026. Derek J. Maetzold is the Pres. & Chief Exec. Officer, Director of CASTLE BIOSCIENCES INC and owns shares of CASTLE BIOSCIENCES INC (CSTL) stock worth about $13.05M.
Signature
/s/ Frank Stokes, Attorney-in-fact
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Ownership of Derek J. Maetzold

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
CSTL CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer, Director $13,048,605 -$6,415,945 -33% 13 Mar 2026

Insider Transactions Reported by Derek J. Maetzold:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.