Stock Trading History of Turza Carl S

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 Turza Carl S since year 2005. The trader's CIK number is 1361432. At the time of this reporting, Turza Carl S is the CIO 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 *Turza Carl S* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-11-12	SIAL	Sigma Aldrich Corp	Purchase	400	39.00	15,600
2008-05-27	SIAL	Sigma Aldrich Corp	Option Exercise	5,800	34.03	197,374
2008-05-27	SIAL	Sigma Aldrich Corp	Sale	5,800	56.93	330,194
2007-02-28	SIAL	Sigma Aldrich Corp	Purchase	1,400	41.00	57,400
2007-02-27	SIAL	Sigma Aldrich Corp	Purchase	1,000	41.39	41,390

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 Turza Carl S (CIO of Sigma Aldrich Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.