-----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, P6cj6El6rhgK1u2e7HriuC54lzMxvUYoyyDj37i2eNv7VCfnOLrrY/hKILJBoQJP Gl08fvG0Ds/tA0PxptD9Fw== 0001209191-11-013771.txt : 20110301 0001209191-11-013771.hdr.sgml : 20110301 20110301163326 ACCESSION NUMBER: 0001209191-11-013771 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110225 FILED AS OF DATE: 20110301 DATE AS OF CHANGE: 20110301 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: PEEBLER ROBERT P CENTRAL INDEX KEY: 0001228219 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-12691 FILM NUMBER: 11652139 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 X0303 4 2011-02-25 0 0000866609 ION GEOPHYSICAL CORP IO 0001228219 PEEBLER ROBERT P 2105 CITYWEST BOULEVARD SUITE 400 HOUSTON TX 77042-2839 1 1 0 0 Chief Exec Officer Common stock 2011-02-25 4 M 0 1325000 6.00 A 2064569 D Common stock 2011-02-25 4 S 0 1225000 12.3407 D 839569 D Employee stock option (right-to-buy) 6.00 2011-02-25 4 M 0 1325000 0.00 D 2013-03-31 Common stock 1325000 0 D 36,806 options vested on March 31, 2004; then on the 31st day of each succeeding month (3 years) until fully vested. /s/ Debra A. Addington, attorney-in-fact 2011-03-01 -----END PRIVACY-ENHANCED MESSAGE-----