Live feed16:06:48·94dINSIDERFilingvia QuantisnowCHAIRMAN AND CEO Dietrich Douglas T covered exercise/tax liability with 12,244 shares and converted options into 22,139 shares, increasing direct ownership by 6% to 175,973 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.MTX· Minerals Technologies Inc.Basic MaterialsOriginal source