Live feed16:07:33·281dINSIDERFilingvia QuantisnowLarge owner Valentin Gapontsev Trust I sold $5,366,553 worth of shares (66,500 units at $80.70), decreasing direct ownership by 0.93% to 7,059,099 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.IPGP· IPG Photonics CorporationTechnologyOriginal source