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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001214782-13-000307
Filing Date
2013-07-29
Accepted
2013-07-29 15:14:20
Documents
1
Period of Report
2013-05-31

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT primary_doc.html 4  
1 PRIMARY DOCUMENT primary_doc.xml 4 3454
  Complete submission text file 0001214782-13-000307.txt   4963
Mailing Address ION GEOPHYSICAL CORPORATION 2101 CITYWEST, BLDG 3, SUITE 400 HOUSTON TX 77042
Business Address
SEITZ JOHN N (Reporting) CIK: 0001221972 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-51638 | Film No.: 13992284

Mailing Address 3984 WASHINGTON BOULEVARD SUITE 342 FREEMONT CA 94538
Business Address 3984 WASHINGTON BOULEVARD SUITE 342 FREEMONT CA 94538 415-800-4344
GULFSLOPE ENERGY, INC. (Issuer) CIK: 0001341726 (see all company filings)

IRS No.: 161689008 | State of Incorp.: DE | Fiscal Year End: 0930
SIC: 5000 Wholesale-Durable Goods