Live feed15:08:09·78dINSIDERFilingvia QuantisnowEXEC CHAIR, CTO. Mckim Alan S covered exercise/tax liability with 1,265 shares, decreasing direct ownership by 4% to 32,762 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.CLH· Clean Harbors Inc.IndustrialsOriginal source