Insider Stock Trading History of Williamson Ken


The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Williamson Ken since year 2005. The trader's CIK number is 1507574. At the time of this reporting, Williamson Ken is the EVP&COO, E&P TECHNO & SERVICES of Ion Geophysical Corp . (stock ticker symbol IO). See this page for all insider trading activities at Ion Geophysical Corp .


Stock purchases, sales, and option exercises reported by insider Williamson Ken since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2017-12-15 IO Ion Geophysical Corp Option Ex 100,000 3.10 310,000
2017-12-15 IO Ion Geophysical Corp Buy 26,000 13.63 354,302
2017-12-14 IO Ion Geophysical Corp Buy 18,176 13.05 237,196
2015-12-01 IO Ion Geophysical Corp Option Ex 3,192 .56 1,787

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Williamson Ken (EVP&COO, E&P TECHNO & SERVICES of Ion Geophysical Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.