Live feed15:08:59·76dINSIDERFilingvia QuantisnowEXEC. VICE PRESIDENT (CHESI) Curtis George L covered exercise/tax liability with 350 shares and returned 1,028 shares to the company, decreasing direct ownership by 3% to 46,048 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.CLH· Clean Harbors Inc.IndustrialsOriginal source