Form4insider filings, from the source

SEC Form 4 · accession 0001209191-18-034701

ION GEOPHYSICAL CORP · IO

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

Reporting owner
Colin Hulme
Officer — EVP, Ocean Bottom Services
Period of report
May 30, 2016
Accepted (ET)
Jun 1, 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 StockF1May 30, 2018F3,354$23.80D74,072D
New Common StockF1Jun 1, 2018F787$24.50D73,285D

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses