0001209191-13-010283.txt : 20130220 0001209191-13-010283.hdr.sgml : 20130220 20130220175311 ACCESSION NUMBER: 0001209191-13-010283 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20130219 FILED AS OF DATE: 20130220 DATE AS OF CHANGE: 20130220 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Hanson R Brian CENTRAL INDEX KEY: 0001297501 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-12691 FILM NUMBER: 13628079 MAIL ADDRESS: STREET 1: ION GEOPHYSICAL CORPORATION STREET 2: 2101 CITYWEST, BLDG 3, SUITE 400 CITY: HOUSTON STATE: TX ZIP: 77042 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ION GEOPHYSICAL CORP CENTRAL INDEX KEY: 0000866609 STANDARD INDUSTRIAL CLASSIFICATION: OIL AND GAS FIELD EXPLORATION SERVICES [1382] IRS NUMBER: 222286646 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 2105 CITYWEST BLVD STREET 2: SUITE 400 CITY: HOUSTON STATE: TX ZIP: 770422839 BUSINESS PHONE: 281.933.3339 MAIL ADDRESS: STREET 1: 2105 CITYWEST BLVD STREET 2: SUITE 400 CITY: HOUSTON STATE: TX ZIP: 770422839 FORMER COMPANY: FORMER CONFORMED NAME: INPUT OUTPUT INC DATE OF NAME CHANGE: 19930328 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2013-02-19 0 0000866609 ION GEOPHYSICAL CORP IO 0001297501 Hanson R Brian 2105 CITYWEST BOULEVARD SUITE 400 HOUSTON TX 77042-2839 1 1 0 0 President & CEO Common Stock 2013-02-19 4 S 0 44594 7.2122 D 118076 D Sale was pursuant to divorce decree and consisted of 66,658 shares of ION Geophysical Common Stock; however, 22,064 shares of the 66,658 shares sold were included in the amount footnoted as beneficially transferred to ex-spouse on Form 4 filed on September 6, 2012 and subsequently revised by Form 4 filed on December 4, 2012. Debra A. Addington, attorney-in-fact 2013-02-20