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Filing Detail
Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0000866609-19-000053
Filing Date
2019-05-03
Accepted
2019-05-03 16:30:55
Documents
1
Effectiveness Date
2019-05-03

Document Format Files

Seq Description Document Type Size
1 DEFA14A a2019proxyexplanatorynote.htm DEFA14A 28202
  Complete submission text file 0000866609-19-000053.txt   29322
Mailing Address 2105 CITYWEST BLVD SUITE 100 HOUSTON TX 770422855
Business Address 2105 CITYWEST BLVD SUITE 100 HOUSTON TX 770422855 2819333339
ION GEOPHYSICAL CORP (Filer) CIK: 0000866609 (see all company filings)

IRS No.: 222286646 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 001-12691 | Film No.: 19796639
SIC: 1382 Oil & Gas Field Exploration Services