IMPERVA INC

CUSIP: 45321L100 Class: COM

Zweig-DiMenna Associates LLC's Holding History (CIK: 0001533950)

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

Q4 2016
Shares 137,206 Value ($000) $5,269 Avg Close — Range —
Q4 2015
Shares 291,946 Value ($000) $18,483 Avg Close — Range —
Q3 2015
Shares 220,280 Value ($000) $14,424 Avg Close — Range —
Q2 2015
Shares 56,060 Value ($000) $3,795 Avg Close — Range —