Stock Trading History of Margarites Nicholas 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 Margarites Nicholas G since year 2005. The trader's CIK number is 1428453. At the time of this reporting, Margarites Nicholas G is the Chief Accounting Officer of Sourcefire Inc . (stock ticker symbol FIRE). See this page for all insider trading activities at Sourcefire Inc .

Stock purchases, sales, and option exercises reported by insider *Margarites Nicholas G* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-09-05	FIRE	Sourcefire Inc	Sale	759	7.51	5,700

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 Margarites Nicholas G (Chief Accounting Officer of Sourcefire Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.