Insider Stock Trading History of Wong Bing-fai


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 Wong Bing-fai since year 2005. The trader's CIK number is 1435872. At the time of this reporting, Wong Bing-fai is the Other of Electro Scientific Industries Inc . (stock ticker symbol ESIO). See this page for all insider trading activities at Electro Scientific Industries Inc .


Stock purchases, sales, and option exercises reported by insider Wong Bing-fai since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2017-05-11 ESIO Electro Scientific Industries Inc Option Ex 62,500 6.53 408,312
2017-05-11 ESIO Electro Scientific Industries Inc Sale 62,500 8.47 529,687
2016-05-12 ESIO Electro Scientific Industries Inc Sale 10,000 7.12 71,150
2014-11-25 ESIO Electro Scientific Industries Inc Sale 4,733 7.32 34,636

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 Wong Bing-fai (Other of Electro Scientific Industries Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.