Live feed19:32:32·147dINSIDERFilingvia QuantisnowChief Executive Officer Castagna Michael exercised 107,920 shares at a strike of $4.55 and sold $601,114 worth of shares (107,920 units at $5.57) (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.MNKD· MannKind CorporationHealth CareOriginal source