0001209191-18-016030.txt : 20180302 0001209191-18-016030.hdr.sgml : 20180302 20180302190709 ACCESSION NUMBER: 0001209191-18-016030 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180301 FILED AS OF DATE: 20180302 DATE AS OF CHANGE: 20180302 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Usher Christopher Theron CENTRAL INDEX KEY: 0001481492 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-12691 FILM NUMBER: 18664054 MAIL ADDRESS: STREET 1: 2105 CITYWEST BLVD. STREET 2: SUITE 100 CITY: HOUSTON STATE: TX ZIP: 77042-2855 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 100 CITY: HOUSTON STATE: TX ZIP: 770422855 BUSINESS PHONE: 281.933.3339 MAIL ADDRESS: STREET 1: 2105 CITYWEST BLVD STREET 2: SUITE 100 CITY: HOUSTON STATE: TX ZIP: 770422855 FORMER COMPANY: FORMER CONFORMED NAME: INPUT OUTPUT INC DATE OF NAME CHANGE: 19930328 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2018-03-01 0 0000866609 ION GEOPHYSICAL CORP IO 0001481492 Usher Christopher Theron 2105 CITYWEST BOULEVARD SUITE 100 HOUSTON TX 77042-2855 0 1 0 0 EVP & COO, OPER OPTIMIZATION Common Stock 2018-03-01 4 A 0 6605 0.00 A 58822 D Common Stock 2018-03-01 4 F 0 2042 28.10 D 56780 D Restricted Stock issued pursuant to the Equity Investment Program and the ION Geophysical Corporation Second Amended and Restated 2013 Long Term Incentive Plan. The shares will vest in full on the date that is 90 days from the transaction date in Column 2. These shares were withheld upon the vesting of restricted stock shares to pay tax withholding obligations. Rebecca F. Sacco, attorney-in-fact 2018-03-02