Live feed17:08:06·859dINSIDERFilingvia QuantisnowKlaas Bjoern covered exercise/tax liability with 1,741 shares and was granted 6,713 shares, increasing direct ownership by 28% to 23,046 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.PRLB· Proto Labs Inc.IndustrialsOriginal source