Live feed18:36:05·721dINSIDERFilingvia QuantisnowKnopp Kevin J. bought $57,700 worth of shares (10,000 units at $5.77), increasing direct ownership by 2% to 498,981 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.MASS· 908 Devices Inc.IndustrialsOriginal source