0001209191-13-056860.txt : 20131213
0001209191-13-056860.hdr.sgml : 20131213
20131213132914
ACCESSION NUMBER: 0001209191-13-056860
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20131213
FILED AS OF DATE: 20131213
DATE AS OF CHANGE: 20131213
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
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: ROLAND DAVID L
CENTRAL INDEX KEY: 0001286832
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-12691
FILM NUMBER: 131275762
MAIL ADDRESS:
STREET 1: ION GEOPHYSICAL CORPORATION
STREET 2: 2101 CITYWEST, SUITE 400
CITY: HOUSTON
STATE: TX
ZIP: 77042-2839
4
1
doc4.xml
FORM 4 SUBMISSION
X0306
4
2013-12-13
0
0000866609
ION GEOPHYSICAL CORP
IO
0001286832
ROLAND DAVID L
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON
TX
77042-2839
0
1
0
0
SVP-Gen Counsel & Corp Sec'y
Common Stock
2013-12-13
4
P
0
1615
3.0075
A
88182
D
This transaction was executed in multiple trades at prices ranging from $3.005 to $3.0083, inclusive. The price set forth above reflects the weighted-average price per share. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.
Debra A. Addington, attorney-in-fact
2013-12-13