GRIDSUM HLDG INC

CUSIP: 398132100 Class: ADR

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

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

Q4 2016
Shares 25,000 Value ($000) $255 Avg Close — Range —
Q3 2016
Shares 30,000 Value ($000) $506 Avg Close — Range —