Form4insider filings, from the source

SEC Form 4 · accession 0001209191-16-105176

ION GEOPHYSICAL CORP · IO

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

Reporting owner
Huimin Hao
Director
Period of report
Mar 1, 2016
Accepted (ET)
Mar 3, 2016 · 3:22 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 StockF1,F2Mar 1, 2016F500$3.10D5,506D
Common StockF3Mar 1, 2016A2,500$0.00A8,006D

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses