Live feed21:30:38·1836dINSIDERFilingvia QuantisnowSEC Form 4: Rodermund Sheila M disposed of $1,283 worth of Common Stock (594 units at $2.16), increasing direct ownership by 10% to 5,486 units (withholding tax)ByQuantisnow·Wall Street's wire, on your screen.IO· Ion Geophysical CorporationEnergyOriginal source