Live feed16:26:15·1442dINSIDERFilingvia QuantisnowSEC Form 4: Powers Matthew R covered exercise/tax liability with 4,992 shares, decreasing direct ownership by 5% to 96,932 units to satisfy withholding obligationByQuantisnow·Wall Street's wire, on your screen.IO· Ion Geophysical CorporationEnergyOriginal source
