Live feed17:56:14·719dINSIDERFilingvia QuantisnowChief Executive Officer Cotton Stephen covered exercise/tax liability with 236,986 shares, decreasing direct ownership by 4% to 6,115,247 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AQMS· Aqua Metals Inc.IndustrialsOriginal source