Live feed15:57:21·188dINSIDERFilingvia QuantisnowPRESIDENT & EVP FACILITIES Underwood Rebecca covered exercise/tax liability with 51 shares, decreasing direct ownership by 0.29% to 17,284 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.CLH· Clean Harbors Inc.IndustrialsOriginal source