Live feed16:16:45·10hINSIDERFilingPres. & Chief Exec. Officer Maetzold Derek J exercised 550 shares at a strike of $2.39 and sold $104,709 worth of shares (4,172 units at $25.10) as part of a pre-agreed trading plan (SEC Form 4)CSTL· Castle Biosciences Inc.Health CareOriginal source