Stock Trading History of Collins Steven L

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 Collins Steven L since year 2005. The trader's CIK number is 1362467. At the time of this reporting, Collins Steven L is the Other of Allis Chalmers Energy Inc. . (stock ticker symbol ALY). See this page for all insider trading activities at Allis Chalmers Energy Inc. .

Stock purchases, sales, and option exercises reported by insider *Collins Steven L* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-05-14	ALY	Allis Chalmers Energy Inc.	Sale	8,333	17.77	148,037
2008-05-14	ALY	Allis Chalmers Energy Inc.	Option Exercise	8,333	10.85	90,413
2007-05-25	ALY	Allis Chalmers Energy Inc.	Sale	8,367	19.63	164,244
2007-05-25	ALY	Allis Chalmers Energy Inc.	Option Exercise	8,367	10.85	90,781
2006-11-15	ALY	Allis Chalmers Energy Inc.	Sale	8,300	18.10	150,230
2006-11-15	ALY	Allis Chalmers Energy Inc.	Option Exercise	8,300	10.85	90,055

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 Collins Steven L (Other of Allis Chalmers Energy Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.