CASTLE BIOSCIENCES INC (CSTL) — Insider Trading
Insider trading activity for CASTLE BIOSCIENCES INC sourced from SEC EDGAR Form 4 filings.
Overview
- Total insider trades: 151
- Last trade date: Oct 1, 2026
- Ticker: CSTL
Top Insiders
- Harrison Miles — 3 trades, buy: $0, sell: $0
- Olson Tiffany — 3 trades, buy: $0, sell: $0
- Cotton Rodney — 5 trades, buy: $0, sell: $0
- BRADBURY DANIEL — 3 trades, buy: $0, sell: $0
- Goldberg Ellen — 3 trades, buy: $0, sell: $0
Recent Trades
| Date | Insider | Ticker / Company | Type | Shares | Value |
|---|---|---|---|---|---|
| Sep 30, 2026 | Juvenal Tobin W | CSTL CASTLE BIOSCIENCES INC | SELL | 1,034 | $35K |
| Sep 29, 2026 | Juvenal Tobin W | CSTL CASTLE BIOSCIENCES INC | SELL | 5,543 | $197K |
| Sep 21, 2026 | MAETZOLD DEREK J | CSTL CASTLE BIOSCIENCES INC | OTHER | 8,580 | N/A |
| Sep 21, 2026 | MAETZOLD DEREK J | CSTL CASTLE BIOSCIENCES INC | SELL | 2,718 | $96K |
| Sep 21, 2026 | MAETZOLD DEREK J | CSTL CASTLE BIOSCIENCES INC | SELL | 3,198 | $113K |
| Sep 21, 2026 | MAETZOLD DEREK J | CSTL CASTLE BIOSCIENCES INC | SELL | 8,580 | $303K |
| Sep 21, 2026 | MAETZOLD DEREK J | CSTL CASTLE BIOSCIENCES INC | OTHER | 8,580 | $21K |
| Sep 15, 2026 | Juvenal Tobin W | CSTL CASTLE BIOSCIENCES INC | SELL | 3,294 | $116K |
| Sep 14, 2026 | Juvenal Tobin W | CSTL CASTLE BIOSCIENCES INC | SELL | 3,306 | $107K |
| Sep 11, 2026 | MAETZOLD DEREK J | CSTL CASTLE BIOSCIENCES INC | OTHER | 8,584 | N/A |
| Sep 11, 2026 | MAETZOLD DEREK J | CSTL CASTLE BIOSCIENCES INC | SELL | 71 | $2K |
| Sep 11, 2026 | MAETZOLD DEREK J | CSTL CASTLE BIOSCIENCES INC | SELL | 83 | $3K |
| Sep 11, 2026 | MAETZOLD DEREK J | CSTL CASTLE BIOSCIENCES INC | SELL | 223 | $7K |
| Sep 11, 2026 | MAETZOLD DEREK J | CSTL CASTLE BIOSCIENCES INC | SELL | 2,656 | $85K |
| Sep 11, 2026 | MAETZOLD DEREK J | CSTL CASTLE BIOSCIENCES INC | SELL | 3,124 | $100K |
| Sep 11, 2026 | MAETZOLD DEREK J | CSTL CASTLE BIOSCIENCES INC | SELL | 8,361 | $268K |
| Sep 11, 2026 | MAETZOLD DEREK J | CSTL CASTLE BIOSCIENCES INC | OTHER | 8,584 | $21K |
| Sep 11, 2026 | Derek Maetzold | CCSTL CASTLE BIOSCIENCES INC | SELL | 29,014 | $938K |
| Sep 1, 2026 | Oelschlager Kristen M | CCSTL CASTLE BIOSCIENCES INC | SELL | 4,152 | $139K |
| Sep 1, 2026 | Oelschlager Kristen M | CCSTL CASTLE BIOSCIENCES INC | BUY | 4,152 | $14K |