Insider Stock Trading History of Spencer Raymond J

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 Spencer Raymond J since year 2005. The trader's CIK number is 1293854. At the time of this reporting, Spencer Raymond J is the Director of Rubicon Technology, Inc. . (stock ticker symbol RBCN). See this page for all insider trading activities at Rubicon Technology, Inc. .

Stock purchases, sales, and option exercises reported by insider Spencer Raymond J since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2010-06-21 RBCN Rubicon Technology, Inc. Sale 10,000 28.41 284,100

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 Spencer Raymond J (Director of Rubicon Technology, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.