Live feed16:36:40·268dINSIDERFilingvia QuantisnowDirector Klein Margaret D. bought $2,782 worth of shares (500 units at $5.57), increasing direct ownership by 3% to 16,376 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMSC· American Superconductor CorporationConsumer DiscretionaryOriginal source