IMPERVA INC

CUSIP: 45321L100 Class: COM

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q4 2018
Shares 3,863 Value ($000) $208 Avg Close Range
Q3 2018
Shares 2,611 Value ($000) $121 Avg Close Range
Q2 2018
Shares 2,611 Value ($000) $126 Avg Close Range
Q1 2018
Shares 2,611 Value ($000) $113 Avg Close Range
Q4 2017
Shares 2,611 Value ($000) $103 Avg Close Range
Q3 2017
Shares 2,611 Value ($000) $113 Avg Close Range
Q2 2017
Shares 2,611 Value ($000) $124 Avg Close Range
Q1 2017
Shares 2,611 Value ($000) $107 Avg Close Range
Q4 2016
Shares 2,611 Value ($000) $101 Avg Close Range
Q3 2016
Shares 2,611 Value ($000) $140 Avg Close Range
Q2 2016
Shares 2,611 Value ($000) $112 Avg Close Range
Q1 2016
Shares 2,611 Value ($000) $132 Avg Close Range
Q4 2015
Shares 2,611 Value ($000) $165 Avg Close Range
Q3 2015
Shares 2,611 Value ($000) $171 Avg Close Range
Q2 2015
Shares 2,611 Value ($000) $176 Avg Close Range
Q1 2015
Shares 1,572 Value ($000) $67 Avg Close Range
Q4 2014
Shares 1,572 Value ($000) $78 Avg Close Range
Q3 2014
Shares 3,772 Value ($000) $109 Avg Close Range