SEC Form 4 insider trading filings tracked in real time from EDGAR

MAETZOLD DEREK J — Pres. & Chief Exec. Officer

Insider trading activity for MAETZOLD DEREK J sourced from SEC EDGAR Form 4 filings.

Overview

  • Title: Pres. & Chief Exec. Officer
  • Company: CASTLE BIOSCIENCES INC
  • Total insider trades: 3
  • Total buy volume: $0
  • Total sell volume: $33K
  • Last trade: Aug 18, 2026

Recent Trades

DateInsiderTicker / Company TypeSharesValue
Aug 14, 2026 MAETZOLD DEREK J CSTL CASTLE BIOSCIENCES INC OTHER 1,100 N/A
Aug 14, 2026 MAETZOLD DEREK J CSTL CASTLE BIOSCIENCES INC SELL 1,100 $33K
Aug 14, 2026 MAETZOLD DEREK J CSTL CASTLE BIOSCIENCES INC OTHER 1,100 $3K

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