Live feed16:15:14·264dINSIDERFilingvia QuantisnowDirector House Arthur H exercised 9,703 shares at a strike of $6.80 and sold $494,082 worth of shares (9,703 units at $50.92) (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMSC· American Superconductor CorporationConsumer DiscretionaryOriginal source