Stocktoria
CASTLE BIOSCIENCES INC CSTL
Nasdaq · XNAS · stock · Services-Medical Laboratories · website · IPO 2019-07-25
CASTLE BIOSCIENCES INC insider transactions (Form 4)
| Insider | Role | Date | Action | Shares | Price |
|---|---|---|---|---|---|
| Oelschlager Kristen M | Chief Operating Officer | 2026-06-16 | Sell | 8,587 | $20.71 |
| MAETZOLD DEREK J | Pres. & Chief Exec. Officer | 2026-06-15 | Sell | 550 | $20.66 |
| MAETZOLD DEREK J | Pres. & Chief Exec. Officer | 2026-06-15 | Sell | 278 | $20.66 |
| MAETZOLD DEREK J | Pres. & Chief Exec. Officer | 2026-06-15 | Sell | 1,153 | $20.66 |
| MAETZOLD DEREK J | Pres. & Chief Exec. Officer | 2026-06-15 | Sell | 278 | $20.66 |
| MAETZOLD DEREK J | Pres. & Chief Exec. Officer | 2026-06-15 | Sell | 278 | $20.66 |
| MAETZOLD DEREK J | Pres. & Chief Exec. Officer | 2026-06-15 | Sell | 1,357 | $20.66 |
| MAETZOLD DEREK J | Pres. & Chief Exec. Officer | 2026-06-15 | Option exercise | 550 | $2.39 |
Source: SEC EDGAR filings · CIK 0001447362 · as of 2025-12-31. Facts from filings plus Stocktoria's own computed scores — not investment advice.