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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000902664-18-001324
Filing Date
2018-02-22
Accepted
2018-02-22 10:49:15
Documents
1

Document Format Files

Seq Description Document Type Size
1 ION GEOPHYSICAL CORP p18-0721sc13g.htm SC 13G 79424
  Complete submission text file 0000902664-18-001324.txt   81023
Mailing Address 2105 CITYWEST BLVD SUITE 100 HOUSTON TX 770422855
Business Address 2105 CITYWEST BLVD SUITE 100 HOUSTON TX 770422855 281.933.3339
ION GEOPHYSICAL CORP (Subject) CIK: 0000866609 (see all company filings)

IRS No.: 222286646 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-41602 | Film No.: 18631396
SIC: 1382 Oil & Gas Field Exploration Services

Mailing Address 1 ROCKEFELLER PLAZA, SUITE 1205 NEW YORK NY 10020
Business Address 1 ROCKEFELLER PLAZA, SUITE 1205 NEW YORK NY 10020 212-608-3300
Empery Asset Management, LP (Filed by) CIK: 0001469336 (see all company filings)

IRS No.: 262107121 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G