IMPERVA INC

CUSIP: 45321L100 Class: COM

STRS OHIO's Holding History (CIK: 0000820478)

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

Q4 2018
Shares 18,500 Value ($000) $1,030 Avg Close — Range —
Q3 2018
Shares 22,600 Value ($000) $1,049 Avg Close — Range —
Q2 2018
Shares 23,100 Value ($000) $1,114 Avg Close — Range —
Q1 2018
Shares 22,200 Value ($000) $961 Avg Close — Range —
Q4 2017
Shares 22,200 Value ($000) $881 Avg Close — Range —
Q3 2017
Shares 22,700 Value ($000) $985 Avg Close — Range —
Q2 2017
Shares 12,300 Value ($000) $588 Avg Close — Range —
Q4 2015
Shares 16,900 Value ($000) $1,069 Avg Close — Range —
Q3 2015
Shares 16,700 Value ($000) $1,093 Avg Close — Range —
Q2 2015
Shares 17,900 Value ($000) $1,211 Avg Close — Range —
Q1 2015
Shares 23,500 Value ($000) $1,003 Avg Close — Range —
Q1 2014
Shares 4,500 Value ($000) $251 Avg Close — Range —
Q3 2013
Shares 19,000 Value ($000) $798 Avg Close — Range —
Q2 2013
Shares 4,582 Value ($000) $206 Avg Close — Range —