IMPERVA INC

CUSIP: 45321L100 Class: COM

Retirement Systems of Alabama's Holding History (CIK: 0001593051)

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

Q3 2018
Shares 105,701 Value ($000) $4,910 Avg Close — Range —
Q2 2018
Shares 105,701 Value ($000) $5,100 Avg Close — Range —
Q1 2018
Shares 105,701 Value ($000) $4,577 Avg Close — Range —
Q4 2017
Shares 105,701 Value ($000) $4,196 Avg Close — Range —
Q3 2017
Shares 105,701 Value ($000) $4,587 Avg Close — Range —
Q2 2017
Shares 115,701 Value ($000) $5,536 Avg Close — Range —
Q1 2017
Shares 115,701 Value ($000) $4,750 Avg Close — Range —
Q4 2016
Shares 90,701 Value ($000) $3,483 Avg Close — Range —
Q3 2016
Shares 100,701 Value ($000) $5,409 Avg Close — Range —
Q2 2016
Shares 197,034 Value ($000) $8,474 Avg Close — Range —
Q1 2016
Shares 197,034 Value ($000) $9,950 Avg Close — Range —
Q4 2015
Shares 132,034 Value ($000) $8,359 Avg Close — Range —
Q3 2015
Shares 132,034 Value ($000) $8,646 Avg Close — Range —
Q2 2015
Shares 112,034 Value ($000) $7,585 Avg Close — Range —
Q1 2015
Shares 162,034 Value ($000) $6,919 Avg Close — Range —
Q4 2014
Shares 122,034 Value ($000) $6,032 Avg Close — Range —
Q3 2014
Shares 295,738 Value ($000) $8,497 Avg Close — Range —
Q2 2014
Shares 245,738 Value ($000) $6,433 Avg Close — Range —
Q1 2014
Shares 245,738 Value ($000) $13,688 Avg Close — Range —
Q4 2013
Shares 245,738 Value ($000) $11,827 Avg Close — Range —
Q3 2013
Shares 205,738 Value ($000) $8,645 Avg Close — Range —