Form4insider filings, from the source

SEC Form 4 · accession 0001209191-17-037450

ION GEOPHYSICAL CORP · IO

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
R Brian Hanson
Officer — President & CEO · Director
Period of report
Jun 1, 2017
Accepted (ET)
Jun 2, 2017 · 6:28 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0000866609

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockF1Jun 1, 2017F2,798$4.45D117,974D
Common Stockholding———666IShares held by Spouse

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses