IMPERVA INC

CUSIP: 45321L100 Class: COM

KORNITZER CAPITAL MANAGEMENT INC /KS's Holding History (CIK: 0000898358)

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

Q3 2016
Shares 95,315 Value ($000) $5,119 Avg Close — Range —
Q2 2016
Shares 589,560 Value ($000) $25,357 Avg Close — Range —
Q1 2016
Shares 446,860 Value ($000) $22,566 Avg Close — Range —
Q3 2015
Shares 12,600 Value ($000) $825 Avg Close — Range —
Q2 2015
Shares 52,900 Value ($000) $3,581 Avg Close — Range —
Q1 2015
Shares 116,900 Value ($000) $4,992 Avg Close — Range —
Q4 2014
Shares 159,900 Value ($000) $7,904 Avg Close — Range —
Q3 2014
Shares 234,400 Value ($000) $6,734 Avg Close — Range —
Q2 2014
Shares 246,400 Value ($000) $6,451 Avg Close — Range —
Q1 2014
Shares 251,400 Value ($000) $14,003 Avg Close — Range —
Q4 2013
Shares 251,400 Value ($000) $12,100 Avg Close — Range —
Q3 2013
Shares 121,400 Value ($000) $5,101 Avg Close — Range —
Q2 2013
Shares 34,500 Value ($000) $1,554 Avg Close — Range —