-----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, PrSFq/TaXdPBF18VAlH51kxPzWVDsLT6I2jxiHLiBX+9fave4QCTyNjrjrmvPw5A jBGXxgca2ba0KBvYZCtFSg== 0001209191-08-029940.txt : 20080514 0001209191-08-029940.hdr.sgml : 20080514 20080514154733 ACCESSION NUMBER: 0001209191-08-029940 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20080512 FILED AS OF DATE: 20080514 DATE AS OF CHANGE: 20080514 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: PEEBLER ROBERT P CENTRAL INDEX KEY: 0001228219 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-12691 FILM NUMBER: 08831692 BUSINESS ADDRESS: BUSINESS PHONE: 281.552.3308 MAIL ADDRESS: STREET 1: INPUT/OUTPUT INC STREET 2: 2101 CITYWEST, BLDG 3, SUITE 400 CITY: HOUSTON STATE: TX ZIP: 77042 4 1 doc4.xml FORM 4 SUBMISSION X0202 4 2008-05-12 0 0000866609 ION GEOPHYSICAL CORP IO 0001228219 PEEBLER ROBERT P 2105 CITYWEST BOULEVARD SUITE 400 HOUSTON TX 77042-2839 1 1 0 0 President & CEO Common stock 2008-05-12 4 M 0 10000 8.50 A 221472 D Common Stock 2008-05-12 4 M 0 10000 8.45 A 231472 D Common Stock 2008-05-12 4 M 0 20000 5.25 A 251472 D Common Stock 2008-05-12 4 M 0 10000 4.35 A 261472 D Common stock 2008-05-12 4 F 0 1031 15.00 D 260441 D Common Stock 2008-05-12 4 F 0 1900 15.01 D 258541 D Common Stock 2008-05-12 4 F 0 5169 15.02 D 253372 D Common Stock 2008-05-12 4 F 0 3600 15.03 D 249772 D Common Stock 2008-05-12 4 F 0 400 15.04 D 249372 D Common Stock 2008-05-12 4 F 0 500 15.05 D 248872 D Common Stock 2008-05-12 4 F 0 1100 15.06 D 247772 D Common Stock 2008-05-12 4 F 0 1300 15.07 D 246472 D Common Stock 2008-05-12 4 F 0 2300 15.10 D 244172 D Common Stock 2008-05-12 4 F 0 2600 15.11 D 241572 D Common Stock 2008-05-12 4 F 0 1200 15.12 D 240372 D Common Stock 2008-05-12 4 F 0 600 15.13 D 239772 D Common Stock 2008-05-12 4 F 0 300 15.14 D 239472 D Common Stock 2008-05-12 4 F 0 200 15.15 D 239272 D Common Stock 2008-05-12 4 F 0 200 15.17 D 239072 D Common Stock 2008-05-12 4 F 0 100 15.18 D 238972 D Common Stock 2008-05-12 4 F 0 1000 15.19 D 237972 D Common Stock 2008-05-12 4 F 0 2625 15.20 D 235347 D Common Stock 2008-05-12 4 F 0 1600 15.21 D 233747 D Common Stock 2008-05-12 4 F 0 2700 15.22 D 231047 D Common Stock 2008-05-12 4 F 0 1300 15.23 D 229747 D Employee Stock Option (Right to buy) 8.50 2008-05-12 4 M 0 10000 0.00 D 2010-11-01 Common stock 10000 0 D Employee Stock Option (Right to buy) 8.45 2008-05-12 4 M 0 10000 0.00 D 2002-11-01 2011-11-01 Common stock 10000 0 D Employee Stock Option (Right to buy) 5.25 2008-05-12 4 M 0 20000 0.00 D 2009-11-03 Common Stock 20000 0 D Employee Stock Option (Right to buy) 4.35 2008-05-12 4 M 0 10000 0.00 D 2002-11-01 2012-11-01 Common stock 10000 0 D The options vested in equal installments on November 1, 2001 and 2002. The options vested in equal installments on November 3, 2000, 2001, and 2002. /s/ Debra A. Addington, attorney-in-fact 2008-05-14 -----END PRIVACY-ENHANCED MESSAGE-----