Live feed17:41:28·489dINSIDERFilingvia QuantisnowChief Technology Officer Ryaboy Oleg covered exercise/tax liability with 2,461 shares, decreasing direct ownership by 8% to 27,731 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.PRLB· Proto Labs Inc.IndustrialsOriginal source