IMPERVA INC

CUSIP: 45321L100 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q2 2018
Shares 13,654 Value ($000) $659 Avg Close — Range —
Q1 2018
Shares 21,702 Value ($000) $940 Avg Close — Range —
Q2 2016
Shares 110,000 Value ($000) $4,731 Avg Close — Range —
Q1 2016
Shares 450,415 Value ($000) $22,745 Avg Close — Range —
Q4 2015
Shares 440,795 Value ($000) $27,907 Avg Close — Range —
Q3 2015
Shares 373,762 Value ($000) $24,474 Avg Close — Range —
Q2 2015
Shares 538,701 Value ($000) $36,471 Avg Close — Range —
Q1 2015
Shares 382,848 Value ($000) $16,348 Avg Close — Range —
Q4 2014
Shares 230,260 Value ($000) $11,382 Avg Close — Range —
Q3 2014
Shares 602,280 Value ($000) $17,304 Avg Close — Range —
Q2 2014
Shares 239,140 Value ($000) $6,261 Avg Close — Range —
Q1 2014
Shares 410,170 Value ($000) $22,847 Avg Close — Range —
Q4 2013
Shares 481,890 Value ($000) $23,194 Avg Close — Range —
Q3 2013
Shares 1,500,713 Value ($000) $63,060 Avg Close — Range —
Q2 2013
Shares 2,623,487 Value ($000) $118,161 Avg Close — Range —