WEIBO CORP

Ticker: WB CUSIP: 948596101 Class: Foreign Stock

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

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

Q1 2018
Shares 14,555 Value ($000) $1,740 Avg Close — Range —
Q4 2017
Shares 18,855 Value ($000) $1,951 Avg Close — Range —
Q3 2017
Shares 25,855 Value ($000) $2,558 Avg Close — Range —
Q2 2017
Shares 29,700 Value ($000) $1,974 Avg Close — Range —
Q1 2017
Shares 26,900 Value ($000) $1,404 Avg Close — Range —
Q4 2016
Shares 17,500 Value ($000) $711 Avg Close — Range —
Q3 2016
Shares 17,500 Value ($000) $877 Avg Close — Range —