Live feed16:49:08·223dINSIDERFilingvia QuantisnowDirector Oliver David R Jr bought $1,666 worth of shares (200 units at $8.33), increasing direct ownership by 0.33% to 60,907 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMSC· American Superconductor CorporationConsumer DiscretionaryOriginal source