IMPERVA INC

CUSIP: 45321L100 Class: COM

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

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

Q2 2018
Shares 1,826 Value ($000) $88 Avg Close — Range —
Q1 2018
Shares 2,669 Value ($000) $116 Avg Close — Range —
Q4 2017
Shares 4,004 Value ($000) $159 Avg Close — Range —
Q2 2017
Shares 6,996 Value ($000) $335 Avg Close — Range —
Q1 2017
Shares 8,126 Value ($000) $334 Avg Close — Range —
Q2 2016
Shares 26,426 Value ($000) $1,137 Avg Close — Range —
Q4 2015
Shares 958 Value ($000) $61 Avg Close — Range —
Q1 2015
Shares 944 Value ($000) $40 Avg Close — Range —
Q4 2014
Shares 342 Value ($000) $17 Avg Close — Range —
Q3 2014
Shares 4,480 Value ($000) $129 Avg Close — Range —
Q2 2014
Shares 68,192 Value ($000) $1,785 Avg Close — Range —
Q1 2014
Shares 1,348 Value ($000) $75 Avg Close — Range —
Q4 2013
Shares 1,804 Value ($000) $87 Avg Close — Range —
Q3 2013
Shares 2,533 Value ($000) $106 Avg Close — Range —
Q2 2013
Shares 3,977 Value ($000) $179 Avg Close — Range —