DERMA SCIENCES INC

CUSIP: 249827502 Class: COM PAR $.01

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q4 2016
Shares 70,000 Value ($000) $364 Avg Close — Range —
Q3 2016
Shares 70,000 Value ($000) $327 Avg Close — Range —