0001209191-11-059421.txt : 20111205 0001209191-11-059421.hdr.sgml : 20111205 20111205145549 ACCESSION NUMBER: 0001209191-11-059421 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20111201 FILED AS OF DATE: 20111205 DATE AS OF CHANGE: 20111205 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Moffat David CENTRAL INDEX KEY: 0001508093 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-12691 FILM NUMBER: 111242869 MAIL ADDRESS: STREET 1: 2105 CITYWEST BOULEVARD STREET 2: 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: 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 X0304 4 2011-12-01 0 0000866609 ION GEOPHYSICAL CORP IO 0001508093 Moffat David 2105 CITYWEST BOULEVARD SUITE 400 HOUSTON TX 77042-2839 0 1 0 0 SVP & GM- Operations Common Stock 2011-12-01 4 A 0 10000 0.00 A 26392 D Common Stock 2011-12-01 4 F 0 315 5.81 D 26077 D Common Stock 2011-12-01 4 F 0 420 5.81 D 25657 D Common Stock 2011-12-01 4 F 0 525 5.81 D 25132 D Employee stock option (right to buy) 5.81 2011-12-01 4 A 0 30000 0.00 A 2021-12-01 Common Stock 30000 30000 D Includes 500 shares acquired under the ION Employee Stock Purchase Plan. The option becomes exercisable in four equal annual installments beginning on the first anniversary of the date specified in Column 3. /s/ Debra A. Addington, attorney-in-fact 2011-12-05