Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:d01cd296-29f9-4e83-3458-ff75f70a9158 2026-05-12T21:45:31-04:00 Jonathan Moreland Profit from legal insider trading. InsiderInsights.com provides free insider trading data tools and resources, and professional grade subscription based real time Form 4 data, analysis and services CSTL: MAETZOLD DEREK J (PR,CEO,DIR) Exercised 6,214 Options (OE) of CASTLE BIOSCIENCES INC for $2.39 on 5/7, and Sold Them All urn:uuid:ee52be82-f178-52e0-4506-79fa7a73b614 2026-05-11T16:06:18-04:00 CSTL: MAETZOLD DEREK J (PR,CEO,DIR) Exercised 550 Options (OE) of CASTLE BIOSCIENCES INC for $2.39 on 4/21, and Sold Them All urn:uuid:a5691dc7-5d88-14b7-4a53-cd3d8c03cef6 2026-04-23T16:16:45-04:00 CSTL: MAETZOLD DEREK J (PR,CEO,DIR) Exercised 6,214 Options (OE) of CASTLE BIOSCIENCES INC for $2.39 on 4/6, and Sold Them All urn:uuid:b41b296a-6502-54e6-c6be-5b126f1d6bb5 2026-04-08T16:34:24-04:00