Live feed19:15:04·479dINSIDERFilingvia QuantisnowEVP and COO Calvert Christopher P covered exercise/tax liability with 3,889 shares, decreasing direct ownership by 4% to 85,293 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.MTDR· Matador Resources CompanyEnergyOriginal source