Live feed16:13:19·501dINSIDERFilingvia QuantisnowPresident and CEO Knopp Kevin J. exercised 158,044 shares at a strike of $1.63, increasing direct ownership by 31% to 667,025 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.MASS· 908 Devices Inc.IndustrialsOriginal source