4 | SEC Filings Hub

Filing metadata

Accession number: 0001209191-17-066226
Form type: Form 4
Filer: ION GEOPHYSICAL CORP
CIK: CIK 866609
Filed: Dec 18, 2017
Reporting period: Dec 14, 2017
Description: Insider transaction

Documents

0001209191-17-066226-index.htm

Complete submission

0001209191-17-066226.txt

directory listing

Filed by

ION GEOPHYSICAL CORP