Form4insider filings, from the source

SEC Form 4 · accession 0001209191-18-061070

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
Dec 1, 2018
Accepted (ET)
Dec 4, 2018 · 7:29 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0000866609

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockF1Dec 1, 2018A180,000$0.00A223,631D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Stock Appreciation RightF2$8.85Dec 1, 2018A192,000A—Dec 1, 2028Common Stock192,000192,000D

Explanation of responses