0001209191-17-066468.txt : 20171219
0001209191-17-066468.hdr.sgml : 20171219
20171219181439
ACCESSION NUMBER: 0001209191-17-066468
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20171215
FILED AS OF DATE: 20171219
DATE AS OF CHANGE: 20171219
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: SCHWAUSCH SCOTT
CENTRAL INDEX KEY: 0001577175
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-12691
FILM NUMBER: 171265192
MAIL ADDRESS:
STREET 1: 2105 CITYWEST BOULEVARD, 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
2017-12-15
0
0000866609
ION GEOPHYSICAL CORP
IO
0001577175
SCHWAUSCH SCOTT
2105 CITYWEST BOULEVARD
SUITE 100
HOUSTON
TX
77042-2855
0
1
0
0
VP & Corp Controller
Common Stock
2017-12-15
4
M
0
6666
3.10
A
11003
D
Common Stock
2017-12-15
4
D
0
6666
13.05
D
4337
D
Stock Appreciation Right
3.10
2017-12-15
4
M
0
6666
0.00
D
2017-03-01
2026-03-01
Common Stock
6666
3334
D
Exercise of cash-settled SARs. In accordance with the rules for filing Form 4, the exercise of cash-settled SARs is treated as the simultaneous purchase of the number of shares for which SARs are exercised and the sale of the same number of shares. No shares actually changed hands.
Compensation Committee approved acceleration of the vesting of the second tranche on 12/13/2017. Final tranche to vest as scheduled on 03/01/2019.
Rebecca F. Sacco, attorney-in-fact
2017-12-19