Stock Trading History of Monahan Thomas 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 Monahan Thomas L since year 2005. The trader's CIK number is 1208408. At the time of this reporting, Monahan Thomas L is the Chief Executive Officer of Corporate Executive Board Co . (stock ticker symbol EXBD). See this page for all insider trading activities at Corporate Executive Board Co .

Stock purchases, sales, and option exercises reported by insider *Monahan Thomas L* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-04-07	EXBD	Corporate Executive Board Co	Option Exercise	3,594	.00	0
2008-03-14	EXBD	Corporate Executive Board Co	Option Exercise	3,594	.00	0
2008-04-07	EXBD	Corporate Executive Board Co	Option Exercise	3,594	.00	0
2008-03-14	EXBD	Corporate Executive Board Co	Option Exercise	3,594	.00	0
2008-04-07	EXBD	Corporate Executive Board Co	Option Exercise	3,594	.00	0
2008-03-14	EXBD	Corporate Executive Board Co	Option Exercise	3,594	.00	0
2006-03-22	EXBD	Corporate Executive Board Co	Option Exercise	53,085	31.70	1,683,059
2006-03-16	EXBD	Corporate Executive Board Co	Option Exercise	88,690	31.70	2,811,916
2006-03-17	EXBD	Corporate Executive Board Co	Sale	38,452	94.37	3,628,715

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 Monahan Thomas L (Chief Executive Officer of Corporate Executive Board Co at the time of this reporting) see the Securities and Exchange Commission (SEC) website.