Insider Stock Trading History of Feldker David P


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 Feldker David P since year 2005. The trader's CIK number is 1335925. At the time of this reporting, Feldker David P is the 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 Feldker David P since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2008-07-29 SIAL Sigma Aldrich Corp Sale 1,000 60.18 60,178
2008-07-29 SIAL Sigma Aldrich Corp Option Ex 1,000 28.66 28,660
2008-07-30 SIAL Sigma Aldrich Corp Sale 2,500 61.42 153,545
2008-07-30 SIAL Sigma Aldrich Corp Option Ex 2,500 28.82 72,062
2008-02-27 SIAL Sigma Aldrich Corp Option Ex 9,400 42.22 396,839
2007-08-08 SIAL Sigma Aldrich Corp Option Ex 9,468 33.36 315,843
2007-05-01 SIAL Sigma Aldrich Corp Option Ex 13,000 33.24 432,159
2006-11-09 SIAL Sigma Aldrich Corp Option Ex 2,436 63.56 154,819
2006-08-10 SIAL Sigma Aldrich Corp Option Ex 1,600 61.36 98,176

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 Feldker David P ( of Sigma Aldrich Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.