4 | SEC Filings Hub

Filing metadata

Accession number: 0001437749-21-027880
Form type: Form 4
Filer: ION GEOPHYSICAL CORP
CIK: CIK 866609
Filed: Dec 03, 2021
Reporting period: Dec 01, 2021
Description: Insider transaction

Documents

0001437749-21-027880-index.htm

Complete submission

0001437749-21-027880.txt

directory listing

Filed by

ION GEOPHYSICAL CORP