-----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, MsZ8BHpVV6NYaZ+frw4jS8gu+M6FfJfpPDlZxz3XrVabIuecixKSHWfHZD2lFJUw mQr68CaqmKPf/1HfXdjfoQ== 0001209191-08-034608.txt : 20080603 0001209191-08-034608.hdr.sgml : 20080603 20080603142455 ACCESSION NUMBER: 0001209191-08-034608 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20080602 FILED AS OF DATE: 20080603 DATE AS OF CHANGE: 20080603 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: 2101 CITYWEST BLVD STREET 2: BUILDING III, SUITE 400 CITY: HOUSTON STATE: TX ZIP: 77042 BUSINESS PHONE: 281.933.3339 MAIL ADDRESS: STREET 1: 2101 CITYWEST BLVD STREET 2: BUILDING III, SUITE 400 CITY: HOUSTON STATE: TX ZIP: 77042 FORMER COMPANY: FORMER CONFORMED NAME: INPUT OUTPUT INC DATE OF NAME CHANGE: 19930328 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Ledet Charles J CENTRAL INDEX KEY: 0001419565 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-12691 FILM NUMBER: 08877047 BUSINESS ADDRESS: BUSINESS PHONE: 281-552-3308 MAIL ADDRESS: STREET 1: 2105 CITYWEST BOULEVARD STREET 2: SUITE 400 CITY: HOUSTON STATE: TX ZIP: 77042-2839 4 1 doc4.xml FORM 4 SUBMISSION X0202 4 2008-06-02 0 0000866609 ION GEOPHYSICAL CORP IO 0001419565 Ledet Charles J 2105 CITYWEST BOULEVARD SUITE 400 HOUSTON TX 77042-2839 0 1 0 0 EVP-COO of ION Systems Common stock 2008-06-02 4 F 0 831 16.39 D 42977 D /s/ Debra A. Addington, attorney-in-fact 2008-06-03 -----END PRIVACY-ENHANCED MESSAGE-----