VASCO DATA SEC INTL INC

CUSIP: 92230Y104 Class: COM

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

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

Q1 2018
Shares 42,400 Value ($000) $549 Avg Close — Range —
Q4 2017
Shares 36,500 Value ($000) $507 Avg Close — Range —
Q3 2015
Shares 23,720 Value ($000) $404 Avg Close — Range —
Q2 2015
Shares 16,420 Value ($000) $496 Avg Close — Range —
Q1 2015
Shares 16,000 Value ($000) $345 Avg Close — Range —
Q4 2014
Shares 21,861 Value ($000) $617 Avg Close — Range —