IMPERVA INC

CUSIP: 45321L100 Class: COM

Nationwide Fund Advisors's Holding History (CIK: 0001097218)

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

Q3 2017
Shares 18,609 Value ($000) $808 Avg Close — Range —
Q2 2017
Shares 19,007 Value ($000) $909 Avg Close — Range —
Q1 2017
Shares 16,702 Value ($000) $686 Avg Close — Range —
Q4 2016
Shares 17,905 Value ($000) $688 Avg Close — Range —
Q3 2016
Shares 18,797 Value ($000) $1,010 Avg Close — Range —
Q2 2016
Shares 18,797 Value ($000) $808 Avg Close — Range —
Q1 2016
Shares 123,805 Value ($000) $5,805 Avg Close — Range —
Q4 2015
Shares 108,112 Value ($000) $6,845 Avg Close — Range —
Q3 2015
Shares 103,234 Value ($000) $6,760 Avg Close — Range —
Q2 2015
Shares 76,750 Value ($000) $5,196 Avg Close — Range —
Q1 2015
Shares 41,763 Value ($000) $1,783 Avg Close — Range —
Q4 2014
Shares 42,198 Value ($000) $2,086 Avg Close — Range —
Q3 2014
Shares 43,808 Value ($000) $1,259 Avg Close — Range —
Q2 2014
Shares 43,651 Value ($000) $1,143 Avg Close — Range —
Q1 2014
Shares 77,819 Value ($000) $4,335 Avg Close — Range —
Q4 2013
Shares 75,846 Value ($000) $3,650 Avg Close — Range —
Q3 2013
Shares 92,871 Value ($000) $3,902 Avg Close — Range —
Q2 2013
Shares 94,755 Value ($000) $4,268 Avg Close — Range —