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Filing Details

Accession Number:: 0001209191-11-017386
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2011-03-11 16:56:40
Reporting Period:: 2011-03-09

Filing Date:: 2011-03-11
Accepted Time:: 2011-03-11 16:56:40
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1168195	Sourcefire Inc	FIRE	Services-Computer Processing & Data Preparation (7374)	522289365

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1200878	C John Burris	C/O Sourcefire, Inc. 9770 Patuxent Woods Drive Columbia MD 21046	Chief Executive Officer	Yes	Yes	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2011-03-09	18,000	$6.77	139,738	No	4	M	Direct
Common Stock	Disposition	2011-03-09	18,680	$26.74	121,058	No	4	S	Direct
Common Stock	Acquisiton	2011-03-10	4,200	$6.77	125,258	No	4	M	Direct
Common Stock	Disposition	2011-03-10	13,379	$25.76	111,879	No	4	S	Direct
Common Stock	Acquisiton	2011-03-11	15,468	$6.77	127,347	No	4	M	Direct
Common Stock	Disposition	2011-03-11	15,468	$26.21	111,879	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock option (right to buy)	Disposition	2011-03-09	18,000	$0.00	18,000	$6.77
Common Stock	Stock option (right to buy)	Disposition	2011-03-10	4,200	$0.00	4,200	$6.77
Common Stock	Stock option (right to buy)	Disposition	2011-03-11	15,468	$0.00	15,468	$6.77

Remaning Holdings	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
69,592	2018-07-14	No	4	M	Direct
65,392	2018-07-14	No	4	M	Direct
49,924	2018-07-14	No	4	M	Direct

Footnotes

Price reflected is the weighted-average sale price for shares sold. The range of sale prices for the transactions reported was $26.54 to $26.75 per share. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
Price reflected is the weighted-average sale price for shares sold. The range of sale prices for the transactions reported was $25.48 to $26.25 per share. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
Price reflected is the weighted-average sale price for shares sold. The range of sale prices for the transactions reported was $26.09 to $26.25 per share. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
Of the shares exercisable under the option, (a) 25,980 shares underlying the option vested upon the price of the issuer's common stock exceeding $12.00 for 10 consecutive trading days as of June 11, 2009; (b) 37,971 shares underlying the option vested upon the price of the issuer's common stock exceeding $16.00 for 10 consecutive trading days as of August 12, 2009; and (c) 35,973 shares underlying the option vested upon the price of the issuer's common stock exceeding $20.00 for 10 consecutive trading days as of September 28, 2009.