Live feed16:00:48·146dINSIDERFilingvia QuantisnowGroup President Argirakis Brett covered exercise/tax liability with 2,576 shares and converted options into 5,919 shares, increasing direct ownership by 11% to 32,600 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.MTX· Minerals Technologies Inc.Basic MaterialsOriginal source