IMPERVA INC

CUSIP: 45321L100 Class: COM

VANGUARD GROUP INC's Holding History (CIK: 0000102909)

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

Q4 2018
Shares 3,086,207 Value ($000) $171,870 Avg Close — Range —
Q3 2018
Shares 2,962,136 Value ($000) $137,591 Avg Close — Range —
Q2 2018
Shares 2,873,149 Value ($000) $138,629 Avg Close — Range —
Q1 2018
Shares 2,736,169 Value ($000) $118,476 Avg Close — Range —
Q4 2017
Shares 2,646,883 Value ($000) $105,080 Avg Close — Range —
Q3 2017
Shares 2,479,600 Value ($000) $107,614 Avg Close — Range —
Q2 2017
Shares 2,439,240 Value ($000) $116,718 Avg Close — Range —
Q1 2017
Shares 2,339,441 Value ($000) $96,033 Avg Close — Range —
Q4 2016
Shares 2,236,662 Value ($000) $85,888 Avg Close — Range —
Q3 2016
Shares 2,165,020 Value ($000) $116,283 Avg Close — Range —
Q2 2016
Shares 2,077,265 Value ($000) $89,343 Avg Close — Range —
Q1 2016
Shares 1,911,414 Value ($000) $96,526 Avg Close — Range —
Q4 2015
Shares 1,858,577 Value ($000) $117,666 Avg Close — Range —
Q3 2015
Shares 1,806,729 Value ($000) $118,304 Avg Close — Range —
Q2 2015
Shares 1,696,097 Value ($000) $114,825 Avg Close — Range —
Q1 2015
Shares 1,617,004 Value ($000) $69,046 Avg Close — Range —
Q4 2014
Shares 1,381,959 Value ($000) $68,310 Avg Close — Range —
Q3 2014
Shares 1,287,158 Value ($000) $36,980 Avg Close — Range —
Q2 2014
Shares 1,280,453 Value ($000) $33,523 Avg Close — Range —
Q1 2014
Shares 1,304,132 Value ($000) $72,641 Avg Close — Range —
Q4 2013
Shares 1,136,797 Value ($000) $54,714 Avg Close — Range —
Q3 2013
Shares 1,001,024 Value ($000) $42,063 Avg Close — Range —
Q2 2013
Shares 873,185 Value ($000) $39,328 Avg Close — Range —