MOMENTA PHARMACEUTICALS INC

CUSIP: 60877T100 Class: COM

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

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

Q1 2014
Shares 49,400 Value ($000) $576 Avg Close — Range —
Q4 2013
Shares 44,600 Value ($000) $789 Avg Close — Range —
Q3 2013
Shares 22,600 Value ($000) $325 Avg Close — Range —