Live feed16:24:05·42dINSIDERFilingvia QuantisnowExecutive Vice President Sanderson Matthew covered exercise/tax liability with 38,157 shares and converted options into 86,034 shares, increasing direct ownership by 7% to 776,202 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.TTI· Tetra Technologies Inc.EnergyOriginal source