Stock Trading History of Buehler Alexander 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 Buehler Alexander J since year 2005. The trader's CIK number is 1397838. At the time of this reporting, Buehler Alexander J is the V.P. - Marketing & Technology of Insituform Technologies Inc . (stock ticker symbol INSU). See this page for all insider trading activities at Insituform Technologies Inc .

Stock purchases, sales, and option exercises reported by insider *Buehler Alexander J* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-05-22	INSU	Insituform Technologies Inc	Sale	1,319	18.59	24,524

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 Buehler Alexander J (V.P. - Marketing & Technology of Insituform Technologies Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.