Form4insider filings, from the source

SEC Form 4 · accession 0001209191-15-021152

ION GEOPHYSICAL CORP · IO

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

Reporting owner
Ken Williamson
Officer — EVP&COO, Commercialization Div
Period of report
Mar 1, 2015
Accepted (ET)
Mar 3, 2015 · 4:00 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 StockF1Mar 1, 2015A70,012$0.00A189,969D
Common StockF2,F3Mar 1, 2015F1,824$2.28D188,145D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Employee Stock Option (right to buy)F4$2.28Mar 1, 2015A105,018AMar 1, 2016Mar 1, 2025Common Stock105,018105,018D
Stock Appreciation RightF5$2.28Mar 1, 2015A435,209A—Mar 1, 2025Common Stock435,209435,209D

Explanation of responses