IMPERVA INC

CUSIP: 45321L100 Class: COM

CAPSTONE INVESTMENT ADVISORS, LLC's Holding History (CIK: 0001426196)

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

Q4 2018
Shares 32,483 Value ($000) $1,809 Avg Close — Range —
Q1 2017
Shares 15,087 Value ($000) $619 Avg Close — Range —