Live feed16:21:18·125dINSIDERFilingvia QuantisnowLarge owner Valentin Gapontsev Trust I sold $8,700,865 worth of shares (66,500 units at $130.84), decreasing direct ownership by 0.98% to 6,726,599 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.IPGP· IPG Photonics CorporationTechnologyOriginal source