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
| Date | Insider | Ticker / Company | Type | Shares | Value |
|---|---|---|---|---|---|
| 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 |