IMPERVA INC

CUSIP: 45321L100 Class: COM

Russell Investments Group, Ltd.'s Holding History (CIK: 0001692234)

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

Q4 2018
Shares 747 Value ($000) $42 Avg Close — Range —
Q3 2018
Shares 2,321 Value ($000) $108 Avg Close — Range —
Q2 2018
Shares 8,488 Value ($000) $409 Avg Close — Range —
Q1 2018
Shares 2,588 Value ($000) $112 Avg Close — Range —
Q4 2017
Shares 688 Value ($000) $27 Avg Close — Range —
Q3 2017
Shares 6,988 Value ($000) $304 Avg Close — Range —
Q2 2017
Shares 9,188 Value ($000) $440 Avg Close — Range —
Q1 2017
Shares 688 Value ($000) $28 Avg Close — Range —
Q4 2016
Shares 44,472 Value ($000) $1,659 Avg Close — Range —