Live feed11:58:53·17mINSIDERFilingvia QuantisnowEXEC CHAIR, CTO. Mckim Alan S covered exercise/tax liability with 1,265 shares, decreasing direct ownership by 4% to 30,154 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.CLH· Clean Harbors Inc.IndustrialsOriginal source