IMPERVA INC

CUSIP: 45321L100 Class: COM

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q4 2018
Shares 40,524 Value ($000) $2,257 Avg Close — Range —
Q3 2018
Shares 44,065 Value ($000) $2,047 Avg Close — Range —
Q2 2018
Shares 46,465 Value ($000) $2,242 Avg Close — Range —
Q1 2018
Shares 5,625 Value ($000) $244 Avg Close — Range —
Q4 2015
Shares 6,000 Value ($000) $380 Avg Close — Range —
Q3 2015
Shares 17,100 Value ($000) $1,120 Avg Close — Range —
Q2 2015
Shares 13,000 Value ($000) $880 Avg Close — Range —
Q1 2015
Shares 19,801 Value ($000) $868 Avg Close — Range —
Q4 2014
Shares 19,801 Value ($000) $868 Avg Close — Range —
Q3 2014
Shares 16,806 Value ($000) $483 Avg Close — Range —
Q3 2013
Shares 800 Value ($000) $34 Avg Close — Range —
Q2 2013
Shares 500 Value ($000) $23 Avg Close — Range —