Insider Stock Trading History of Usher Christopher Theron


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 Usher Christopher Theron since year 2005. The trader's CIK number is 1481492. At the time of this reporting, Usher Christopher Theron is the EVP & COO, E&P OPER OPTIMIZAT of Ion Geophysical Corp . (stock ticker symbol IO). See this page for all insider trading activities at Ion Geophysical Corp .

Note that in the past Usher Christopher Theron also reported insider trading activities as an insider of the following companies:
Stock purchases, sales, and option exercises reported by insider Usher Christopher Theron 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 14,850 13.50 200,475
2017-12-14 IO Ion Geophysical Corp Buy 18,176 13.05 237,196
2016-03-15 IO Ion Geophysical Corp Buy 1,300 6.89 8,955
2015-12-01 IO Ion Geophysical Corp Option Ex 7,462 .56 4,178
2011-08-12 GGS Global Geophysical Services Inc Buy 6,500 12.39 80,535

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 Usher Christopher Theron (EVP & COO, E&P OPER OPTIMIZAT of Ion Geophysical Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.