Form4insider filings, from the source

SEC Form 4 · accession 0001209191-18-038782

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 18, 2018
Accepted (ET)
Jun 20, 2018 · 4:41 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0000866609

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
New Common StockF2Jun 18, 2018S57,028$22.7382D91,392D
New Common StockJun 19, 2018S667$22.50D90,725D
New Common Stockholding———666IShares held by Spouse

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses