IMPERVA INC

CUSIP: 45321L100 Class: COM

PRELUDE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001387508)

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

Q4 2018
Shares 349,613 Value ($000) $19,470 Avg Close — Range —
Q1 2018
Shares 3,262 Value ($000) $141 Avg Close — Range —
Q4 2017
Shares 1,594 Value ($000) $63 Avg Close — Range —
Q3 2017
Shares 4,291 Value ($000) $186 Avg Close — Range —
Q2 2017
Shares 427 Value ($000) $20 Avg Close — Range —
Q1 2017
Shares 6,010 Value ($000) $247 Avg Close — Range —
Q3 2015
Shares 2,185 Value ($000) $143 Avg Close — Range —
Q2 2015
Shares 200 Value ($000) $14 Avg Close — Range —