Insider Stock Trading History of Yousaf Shahed


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 Yousaf Shahed since year 2005. The trader's CIK number is 1223027. At the time of this reporting, Yousaf Shahed is the President, Research of Sigma Aldrich Corp . (stock ticker symbol SIAL). See this page for all insider trading activities at Sigma Aldrich Corp .


Stock purchases, sales, and option exercises reported by insider Yousaf Shahed since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2007-08-01 SIAL Sigma Aldrich Corp Sale 2,000 46.00 92,000
2007-07-30 SIAL Sigma Aldrich Corp Option Ex 141,008 35.98 5,074,031
2006-12-08 SIAL Sigma Aldrich Corp Option Ex 1,500 36.50 54,750

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 Yousaf Shahed (President, Research of Sigma Aldrich Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.