Insider Stock Trading History of Roiko John Charles


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 Roiko John Charles since year 2005. The trader's CIK number is 1693171. At the time of this reporting, Roiko John Charles is the Chief Accounting Officer of National Instruments Corp . (stock ticker symbol NATI). See this page for all insider trading activities at National Instruments Corp .


Stock purchases, sales, and option exercises reported by insider Roiko John Charles since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2017-08-01 NATI National Instruments Corp Option Ex 203 29.67 6,023
2017-11-15 NATI National Instruments Corp Sale 489 44.45 21,735
2017-11-01 NATI National Instruments Corp Option Ex 91 34.97 3,182
2017-05-30 NATI National Instruments Corp Sale 1,047 38.42 40,229
2017-05-01 NATI National Instruments Corp Option Ex 3,397 13.35 45,363
2017-02-01 NATI National Instruments Corp Option Ex 252 23.88 6,017

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 Roiko John Charles (Chief Accounting Officer of National Instruments Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.