Castle Biosciences Inc
CSTLCIK 0001447362 · last filing Jul 6, 2026
Insider signal
trades dated in the last 90 days · non-derivative only
6,214 bought / 18,422 sold
net −12,208 sh · −$433.7K
- buys
- 1
- sells
- 9
- insiders active
- 2
Filing tape
Filed Mon, Jul 6, 2026
- −3,622 sh · $224.1K
Maetzold Derek J — Pres. & Chief Exec. Officer · Director
- Exercised6,214Common Stock@ $2.39→ 27,693 held
- Sold6,214Common Stock@ $24.29→ 21,479 held
- Sold1,357Common Stock@ $24.29→ 40,710 held
- Sold1,153Common Stock@ $24.29→ 34,602 held
- Sold278Common Stock@ $24.29→ 12,368 held
- Sold278Common Stock@ $24.29→ 12,368 held
- Sold278Common Stock@ $24.29→ 12,368 held
- Sold278Common Stock@ $24.29→ 12,368 held
- Exercised6,214Stock option (right to buy)→ 85,667 held
- −8,586 sh · $209.7K
Oelschlager Kristen M — Chief Operating Officer
- Sold8,186Common Stock@ $24.40→ 22,274 held
- Sold400Common Stock@ $24.78→ 21,874 held
Insiders on this tape
- Maetzold Derek JPres. & Chief Exec. Officer · Director
- Oelschlager Kristen MChief Operating Officer
Informational data only — not investment advice.
The institutional holdings shown here are aggregated from third-party public regulatory filings (such as SEC Form 13F). These filings are reported with a delay (generally up to 45 days after each quarter-end), are backward-looking, and may exclude short positions, non-U.S. holdings, cash, and other assets. The data may contain errors, omissions, misclassifications, or gaps, and may not reflect a manager's current positions.
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