Live feed10:24:32·201dINSIDERFilingvia QuantisnowPresident & COO Tucker Brian L covered exercise/tax liability with 644 shares and was granted 2,121 shares, increasing direct ownership by 40% to 5,199 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.NGS· Natural Gas Services Group Inc.EnergyOriginal source