0001209191-12-055619.txt : 20121204 0001209191-12-055619.hdr.sgml : 20121204 20121204150643 ACCESSION NUMBER: 0001209191-12-055619 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20121201 FILED AS OF DATE: 20121204 DATE AS OF CHANGE: 20121204 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Williamson Ken CENTRAL INDEX KEY: 0001507574 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-12691 FILM NUMBER: 121240380 MAIL ADDRESS: STREET 1: 2105 CITYWEST BLVD. 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 X0306 4 2012-12-01 0 0000866609 ION GEOPHYSICAL CORP IO 0001507574 Williamson Ken 2105 CITYWEST BOULEVARD SUITE 400 HOUSTON TX 77042-2839 0 1 0 0 EVP & COO, GeoVentures Common Stock 2012-12-01 4 A 0 15000 0.00 A 88399 D Common Stock 2012-12-01 4 F 0 1323 5.96 D 87076 D Common Stock 2012-12-01 4 F 0 529 5.96 D 86547 D Common Stock 2012-12-01 4 F 0 882 5.96 D 85665 D Employee stock option (right to buy) 5.96 2013-12-01 2022-12-01 Common Stock 50000 50000 D Issued pursuant to the ION Geophysical Corporation 2004 Long-term Incentive Plan. Shares will vest in three equal annual installments beginning the first anniversary of the transaction date in Column 2. Includes 985 shares acquired under the ION Employee Stock Purchase Plan The options become exercisable in four equal annual installments beginning on the date specified in Column 6. /s/ Debra A. Addington, attorney-in-fact 2012-12-04