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