Insider Stock Trading History of Nakayama Shigeru Steve


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 Nakayama Shigeru Steve since year 2005. The trader's CIK number is 1241458. At the time of this reporting, Nakayama Shigeru Steve is the Director of Mattson Technology Inc . (stock ticker symbol MTSN). See this page for all insider trading activities at Mattson Technology Inc .


Stock purchases, sales, and option exercises reported by insider Nakayama Shigeru Steve since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2011-06-01 MTSN Mattson Technology Inc Buy 10,000 1.69 16,900
2011-02-23 MTSN Mattson Technology Inc Buy 5,000 2.50 12,500
2010-05-07 MTSN Mattson Technology Inc Buy 5,000 4.10 20,500
2006-02-28 MTSN Mattson Technology Inc Sale 15,000 11.99 179,820
2006-02-28 MTSN Mattson Technology Inc Option Ex 15,000 8.88 133,125

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 Nakayama Shigeru Steve (Director of Mattson Technology Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.