Stock Trading History of Sample David M

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 Sample David M since year 2005. The trader's CIK number is 1329012. At the time of this reporting, Sample David M is the Senior Vice President of Sales of Blackboard Inc (stock ticker symbol BBBB).

Stock purchases, sales, and option exercises reported by *Sample David M* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-01-25	BBBB	Blackboard Inc	Option Exercise	4,914	20.08	98,673
2008-01-25	BBBB	Blackboard Inc	Option Exercise	4,914	20.08	98,673
2008-01-02	BBBB	Blackboard Inc	Sale	3,000	39.98	119,939
2008-01-02	BBBB	Blackboard Inc	Option Exercise	3,000	20.08	60,239
2007-12-19	BBBB	Blackboard Inc	Option Exercise	1,000	20.08	20,080
2007-10-01	BBBB	Blackboard Inc	Sale	3,000	45.83	137,481
2007-10-01	BBBB	Blackboard Inc	Option Exercise	3,000	20.08	60,239
2007-07-16	BBBB	Blackboard Inc	Option Exercise	3,000	20.08	60,239
2007-07-16	BBBB	Blackboard Inc	Sale	3,000	45.64	136,920

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 Sample David M (Senior Vice President of Sales of Blackboard Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.