Derek J. Maetzold - Insider Trading & Ownership

Location
820 S. Friendswood Drive, Suite 201, Friendswood, TX
Summary
The estimated net worth of Derek J. Maetzold is at least $11.9M dollars as of November 20, 2025. 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 $11.9M.
Signature
/s/ Frank Stokes, Attorney-in-fact
All Insider Reports
All Insider Reports

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 $11.9M -$4.36M -26.8% Nov 18, 2025

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.