GENTIUM S P A

CUSIP: 37250B104 Class: SPONSORED ADR

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

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

Q4 2013
Shares 145,016 Value ($000) $8,280 Avg Close — Range —
Q3 2013
Shares 57,141 Value ($000) $1,550 Avg Close — Range —