-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, Je4/bsYC8oKn1JG2IutRxI2dzkGcZGuwEsw1t4Ilo5uPoduOKVpmsrkF2yRlxbcZ WwLXWsm+GdlmFLCS575kAg== 0001209191-08-060138.txt : 20081112 0001209191-08-060138.hdr.sgml : 20081111 20081112160614 ACCESSION NUMBER: 0001209191-08-060138 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20081112 FILED AS OF DATE: 20081112 DATE AS OF CHANGE: 20081112 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ION GEOPHYSICAL CORP CENTRAL INDEX KEY: 0000866609 STANDARD INDUSTRIAL CLASSIFICATION: MEASURING & CONTROLLING DEVICES, NEC [3829] 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 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: 081180924 BUSINESS ADDRESS: BUSINESS PHONE: 281.552.3308 MAIL ADDRESS: STREET 1: ION GEOPHYSICAL CORPORATION STREET 2: 2101 CITYWEST, BLDG 3, SUITE 400 CITY: HOUSTON STATE: TX ZIP: 77042 4 1 doc4.xml FORM 4 SUBMISSION X0303 4 2008-11-12 0 0000866609 ION GEOPHYSICAL CORP IO 0001297501 Hanson R Brian 2105 CITYWEST BOULEVARD SUITE 400 HOUSTON TX 77042-2839 0 1 0 0 Exec. VP & CFO Common stock 2008-11-12 4 P 0 10000 3.86 A 94137 D /s/ Debra A. Addington, attorney-in-fact 2008-11-12 -----END PRIVACY-ENHANCED MESSAGE-----