-----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, LFSrt2J2Au7BerNsdU52mDNuOxHShtgOBcBL9rm0e8X872UJ5a/KPpweQvXOjsQ0 U7hJZPf0p9Vn2e8MAQkwIw== 0001209191-10-054715.txt : 20101112 0001209191-10-054715.hdr.sgml : 20101111 20101112165804 ACCESSION NUMBER: 0001209191-10-054715 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20101111 FILED AS OF DATE: 20101112 DATE AS OF CHANGE: 20101112 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 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: ROLAND DAVID L CENTRAL INDEX KEY: 0001286832 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-12691 FILM NUMBER: 101187591 MAIL ADDRESS: STREET 1: ION GEOPHYSICAL CORPORATION STREET 2: 2101 CITYWEST, SUITE 400 CITY: HOUSTON STATE: TX ZIP: 77042-2839 4 1 doc4.xml FORM 4 SUBMISSION X0303 4 2010-11-11 0 0000866609 ION GEOPHYSICAL CORP IO 0001286832 ROLAND DAVID L 2105 CITYWEST BOULEVARD SUITE 400 HOUSTON TX 77042-2839 0 1 0 0 SVP-Gen Counsel & Corp Sec'y Common Stock 2010-11-11 4 S 0 5001 6.7901 D 74379 D /s/ Debra A. Addington, attorney-in-fact 2010-11-12 -----END PRIVACY-ENHANCED MESSAGE-----