Form4insider filings, from the source

SEC Form 4 · accession 0001209191-17-066464

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 15, 2017
Accepted (ET)
Dec 19, 2017 · 6:12 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 StockDec 15, 2017M200,000$3.10A354,325D
Common StockDec 15, 2017D200,000$13.05D154,325D
Common Stockholding———666IShares held by Spouse

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Stock Appreciation RightF2$3.10Dec 15, 2017M200,000DMar 1, 2017Mar 1, 2026Common Stock200,000100,000D

Explanation of responses