SOURCEFIRE INC

CUSIP: 83616T108 Class: COMMON STOCK

AMERICAN CAPITAL MANAGEMENT INC's Holding History (CIK: 0001320168)

Note: Option positions (PUT/CALL) are excluded.

Q3 2013
Shares 77,870 Value ($000) $5,912 Avg Close — Range —
Q2 2013
Shares 78,270 Value ($000) $4,348 Avg Close — Range —