CASTLE BIOSCIENCES INC (CSTL) — Insider Trading
Insider trading activity for CASTLE BIOSCIENCES INC sourced from SEC EDGAR Form 4 filings.
Overview
- Total insider trades: 4
- Last trade date: Aug 18, 2026
- Ticker: CSTL
Top Insiders
- Stokes Frank (Chief Financial Officer) — 1 trades, buy: $0, sell: $742K
- MAETZOLD DEREK J (Pres. & Chief Exec. Officer) — 3 trades, buy: $0, sell: $33K
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 |
| Aug 14, 2026 | Stokes Frank | CSTL CASTLE BIOSCIENCES INC | SELL | 24,908 | $742K |