Stock Trading History of Mengebier David G

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 Mengebier David G since year 2005. The trader's CIK number is 1180043. At the time of this reporting, Mengebier David G is the Senior Vice President of Cms Energy Corp . (stock ticker symbol CMS). See this page for all insider trading activities at Cms Energy Corp .

Stock purchases, sales, and option exercises reported by insider *Mengebier David G* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-08-14	CMS	Cms Energy Corp	Sale	20,889	13.38	279,450
2008-08-14	CMS	Cms Energy Corp	Option Exercise	25,000	6.35	158,750
2007-05-08	CMS	Cms Energy Corp	Sale	3,983	18.64	74,243
2007-05-08	CMS	Cms Energy Corp	Option Exercise	5,000	6.35	31,750
2007-03-06	CMS	Cms Energy Corp	Option Exercise	10,000	6.35	63,500
2007-03-06	CMS	Cms Energy Corp	Sale	7,253	17.15	124,388

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 Mengebier David G (Senior Vice President of Cms Energy Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.