QUALITY SYS INC

CUSIP: 747582104 Class: COM

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q1 2017
Shares 14,655 Value ($000) $223 Avg Close — Range —
Q4 2016
Shares 5,068 Value ($000) $67 Avg Close — Range —
Q1 2016
Shares 12,761 Value ($000) $194 Avg Close — Range —
Q4 2015
Shares 3,966 Value ($000) $64 Avg Close — Range —
Q2 2015
Shares 3,228 Value ($000) $53 Avg Close — Range —
Q3 2014
Shares 9,372 Value ($000) $129 Avg Close — Range —