DERMA SCIENCES INC

CUSIP: 249827502 Class: COM PAR $.01

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

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

Q3 2014
Shares 24,796 Value ($000) $207 Avg Close — Range —
Q2 2014
Shares 93,058 Value ($000) $1,076 Avg Close — Range —
Q1 2014
Shares 116,353 Value ($000) $1,475 Avg Close — Range —
Q4 2013
Shares 93,432 Value ($000) $1,011 Avg Close — Range —
Q3 2013
Shares 89,352 Value ($000) $1,106 Avg Close — Range —
Q2 2013
Shares 95,510 Value ($000) $1,275 Avg Close — Range —