IMPERVA INC

CUSIP: 45321L100 Class: COM

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q4 2018
Shares 23,597 Value ($000) $1,314 Avg Close — Range —
Q3 2018
Shares 21,549 Value ($000) $1,001 Avg Close — Range —
Q2 2018
Shares 52,616 Value ($000) $2,538 Avg Close — Range —
Q1 2018
Shares 215,452 Value ($000) $9,329 Avg Close — Range —
Q4 2017
Shares 192,172 Value ($000) $7,628 Avg Close — Range —
Q3 2017
Shares 292,700 Value ($000) $12,703 Avg Close — Range —
Q2 2017
Shares 893,031 Value ($000) $42,732 Avg Close — Range —
Q1 2017
Shares 390,104 Value ($000) $16,014 Avg Close — Range —
Q4 2016
Shares 994,610 Value ($000) $38,193 Avg Close — Range —
Q3 2016
Shares 871,889 Value ($000) $46,829 Avg Close — Range —
Q2 2016
Shares 539,703 Value ($000) $23,213 Avg Close — Range —
Q1 2016
Shares 11,035 Value ($000) $557 Avg Close — Range —
Q4 2015
Shares 531 Value ($000) $34 Avg Close — Range —
Q3 2015
Shares 63,124 Value ($000) $4,133 Avg Close — Range —
Q2 2015
Shares 24,977 Value ($000) $1,691 Avg Close — Range —
Q1 2015
Shares 206,805 Value ($000) $8,831 Avg Close — Range —
Q4 2014
Shares 39,921 Value ($000) $1,973 Avg Close — Range —
Q3 2014
Shares 6,065 Value ($000) $174 Avg Close — Range —
Q2 2014
Shares 282,694 Value ($000) $7,401 Avg Close — Range —
Q1 2014
Shares 1,876 Value ($000) $105 Avg Close — Range —
Q4 2013
Shares 713 Value ($000) $34 Avg Close — Range —
Q3 2013
Shares 8,495 Value ($000) $357 Avg Close — Range —