IMPERVA INC

CUSIP: 45321L100 Class: COM

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO's Holding History (CIK: 0000315297)

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

Q4 2018
Shares 2,608 Value ($000) $145 Avg Close — Range —
Q3 2018
Shares 2,608 Value ($000) $121 Avg Close — Range —
Q2 2018
Shares 1,075 Value ($000) $52 Avg Close — Range —
Q1 2018
Shares 1,075 Value ($000) $47 Avg Close — Range —
Q4 2017
Shares 1,075 Value ($000) $43 Avg Close — Range —