VASCO DATA SEC INTL INC

CUSIP: 92230Y104 Class: COM

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q4 2017
Shares 4,536 Value ($000) $63 Avg Close — Range —
Q2 2015
Shares 208 Value ($000) $6 Avg Close — Range —
Q1 2015
Shares 511 Value ($000) $11 Avg Close — Range —
Q4 2014
Shares 947 Value ($000) $27 Avg Close — Range —
Q3 2014
Shares 25,920 Value ($000) $487 Avg Close — Range —
Q2 2014
Shares 2,138 Value ($000) $25 Avg Close — Range —