IMPERVA INC

CUSIP: 45321L100 Class: COM

EVENTIDE ASSET MANAGEMENT, LLC's Holding History (CIK: 0001442891)

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

Q1 2016
Shares 321,900 Value ($000) $16,256 Avg Close — Range —
Q4 2015
Shares 321,900 Value ($000) $20,379 Avg Close — Range —
Q3 2015
Shares 309,700 Value ($000) $20,279 Avg Close — Range —
Q2 2015
Shares 329,700 Value ($000) $22,321 Avg Close — Range —