IMPERVA INC

CUSIP: 45321L100 Class: COM

STATE STREET CORP's Holding History (CIK: 0000093751)

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

Q4 2018
Shares 705,897 Value ($000) $39,311 Avg Close — Range —
Q3 2018
Shares 734,290 Value ($000) $34,107 Avg Close — Range —
Q2 2018
Shares 696,265 Value ($000) $33,591 Avg Close — Range —
Q1 2018
Shares 665,613 Value ($000) $28,818 Avg Close — Range —
Q4 2017
Shares 663,851 Value ($000) $26,359 Avg Close — Range —
Q3 2017
Shares 633,951 Value ($000) $27,509 Avg Close — Range —
Q2 2017
Shares 606,259 Value ($000) $29,008 Avg Close — Range —
Q1 2017
Shares 532,533 Value ($000) $21,859 Avg Close — Range —
Q4 2016
Shares 519,143 Value ($000) $19,937 Avg Close — Range —
Q3 2016
Shares 488,423 Value ($000) $26,231 Avg Close — Range —
Q2 2016
Shares 478,945 Value ($000) $20,602 Avg Close — Range —
Q1 2016
Shares 475,838 Value ($000) $24,022 Avg Close — Range —
Q4 2015
Shares 462,990 Value ($000) $29,313 Avg Close — Range —
Q3 2015
Shares 447,508 Value ($000) $29,304 Avg Close — Range —
Q2 2015
Shares 447,901 Value ($000) $30,330 Avg Close — Range —
Q1 2015
Shares 398,994 Value ($000) $17,042 Avg Close — Range —
Q4 2014
Shares 359,019 Value ($000) $17,746 Avg Close — Range —
Q3 2014
Shares 356,966 Value ($000) $10,255 Avg Close — Range —
Q2 2014
Shares 347,303 Value ($000) $9,093 Avg Close — Range —
Q1 2014
Shares 348,019 Value ($000) $19,384 Avg Close — Range —
Q4 2013
Shares 343,240 Value ($000) $16,523 Avg Close — Range —
Q3 2013
Shares 315,790 Value ($000) $13,274 Avg Close — Range —
Q2 2013
Shares 308,643 Value ($000) $13,905 Avg Close — Range —