GUIDANCE SOFTWARE INC

CUSIP: 401692108 Class: CMN

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q3 2013
Shares 68,074 Value ($000) $617 Avg Close — Range —
Q2 2013
Shares 73,960 Value ($000) $646 Avg Close — Range —