Live feed16:53:55·21dINSIDERFilingvia QuantisnowDirector Wehrwein Sven sold $154,550 worth of shares (2,000 units at $77.28), decreasing direct ownership by 6% to 32,505 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.PRLB· Proto Labs Inc.IndustrialsOriginal source