Form 10-K/A - Annual report [Section 13 and 15(d), not S-K Item 405]: [Amend]
SEC Accession No. 0001104659-21-059015
Filing Date
2021-04-30
Accepted
2021-04-30 16:11:13
Documents
16
Period of Report
2020-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K/A tm2114390d1_10ka.htm   iXBRL 10-K/A 686489
2 EXHIBIT 31.3 tm2114390d1_ex31-3.htm EX-31.3 3931
3 EXHIBIT 31.4 tm2114390d1_ex31-4.htm EX-31.4 3861
7 GRAPHIC tm2114390d1_rider11sp1img001.jpg GRAPHIC 16031
8 GRAPHIC tm2114390d1_rider11sp1img002.jpg GRAPHIC 17373
  Complete submission text file 0001104659-21-059015.txt   1084503

Data Files

Seq Description Document Type Size
4 XBRL TAXONOMY EXTENSION SCHEMA io-20201231.xsd EX-101.SCH 3175
5 XBRL TAXONOMY EXTENSION LABEL LINKBASE io-20201231_lab.xml EX-101.LAB 35162
6 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE io-20201231_pre.xml EX-101.PRE 23087
9 EXTRACTED XBRL INSTANCE DOCUMENT tm2114390d1_10ka_htm.xml XML 5668
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)

EIN.: 222286646 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K/A | Act: 34 | File No.: 001-12691 | Film No.: 21878074
SIC: 1382 Oil & Gas Field Exploration Services