SC 13G | SEC Filings Hub

Filing metadata

Accession number: 0000072971-10-000111
Form type: SC 13G
Filer: ION GEOPHYSICAL CORP
CIK: CIK 866609
Filed: Jan 21, 2010
Reporting period: Dec 31, 2009
Description: Passive 5%+ stake

Documents

0000072971-10-000111-index.htm

Complete submission

0000072971-10-000111.txt

directory listing

Filed by

ION GEOPHYSICAL CORP