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Insider ActivityCSTL
Oelschlager Kristen M, Chief Operating Officer at CASTLE BIOSCIENCES INC, sold $178K of CSTL
Updated Jun 21, 2026
Oelschlager Kristen M
Chief Operating Officer
CASTLE BIOSCIENCES INC ·
$CSTL
Transaction Details
| Insider | Oelschlager Kristen M |
|---|---|
| Title | Chief Operating Officer |
| Company | CASTLE BIOSCIENCES INC |
| Ticker | CSTL |
| Transaction Type | Sale |
| Transaction Date | 2026-06-16 |
| Shares Traded | 8,587 |
| Price Per Share | $20.71 |
| Total Value | $178K |
| Filed Date | 2026-06-18 |
| Accession Number | 0001628280-26-044327 |
Ownership Context
| Shares Owned After Transaction | 30,460 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0001628280-26-044327
Other Insider Trades — CSTL
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | sold | $24K | 2026-06-15 |
| MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | sold | $11K | 2026-06-15 |
| MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | sold | $6K | 2026-06-15 |
| MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | traded | $1K | 2026-06-15 |
| MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | sold | $28K | 2026-06-15 |
| MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | traded | $488 | 2026-06-01 |
| MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | traded | $14K | 2026-06-01 |
| MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | sold | $6K | 2026-06-01 |
| MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | sold | $28K | 2026-06-01 |
| MAETZOLD DEREK J | Pres. & Chief Exec. Officer, Director | sold | $130K | 2026-06-01 |
Full Ticker Profile
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 21, 2026 at 07:00 UTC