Live feed15:11:30·86dINSIDERFilingvia QuantisnowEVP, EHS Harrison Robert W. covered exercise/tax liability with 18 shares and returned 368 shares to the company, decreasing direct ownership by 5% to 6,648 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.CLH· Clean Harbors Inc.IndustrialsOriginal source