-----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, IaLNp4ZKfGZBWGgUqXl5WMH8u/j0fnQffoBNUbciBCzJPeekqufqYWm61KHykRYF lpFwqs0y5vZYeI3CnQQVNQ== 0001209191-08-063854.txt : 20081203 0001209191-08-063854.hdr.sgml : 20081203 20081203153644 ACCESSION NUMBER: 0001209191-08-063854 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20081201 FILED AS OF DATE: 20081203 DATE AS OF CHANGE: 20081203 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: 081227516 BUSINESS ADDRESS: BUSINESS PHONE: 281-552-3308 MAIL ADDRESS: STREET 1: ION GEOPHYSICAL CORPORATION STREET 2: 2105 CITYWEST BLVD., SUITE 400 CITY: HOUSTON STATE: TX ZIP: 77042-2839 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 4 1 doc4.xml FORM 4 SUBMISSION X0303 4 2008-12-01 1 0000866609 ION GEOPHYSICAL CORP IO 0001419565 Ledet Charles J 2105 CITYWEST BOULEVARD SUITE 400 HOUSTON TX 77042-2839 0 0 0 1 Former EVP-COO of ION Systems Common stock 2008-12-01 4 F 0 2078 0.00 D 39029 D /s/ Debra A. Addington, attorney-in-fact 2008-12-03 -----END PRIVACY-ENHANCED MESSAGE-----