IMPERVA INC

CUSIP: 45321L100 Class: COM

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q3 2018
Shares 71,300 Value ($000) $3,311 Avg Close — Range —
Q2 2018
Shares 29,400 Value ($000) $1,418 Avg Close — Range —
Q1 2018
Shares 73,600 Value ($000) $3,186 Avg Close — Range —
Q4 2017
Shares 53,200 Value ($000) $2,112 Avg Close — Range —