Live feed15:36:56·151dINSIDERFilingvia QuantisnowGroup President Argirakis Brett converted options into 3,112 shares and covered exercise/tax liability with 1,457 shares, increasing direct ownership by 6% to 29,257 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.MTX· Minerals Technologies Inc.Basic MaterialsOriginal source