IMPERVA INC

CUSIP: 45321L100 Class: COM

ANCHOR CAPITAL ADVISORS LLC's Holding History (CIK: 0000813933)

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

Q3 2018
Shares 30,893 Value ($000) $1,435 Avg Close — Range —
Q2 2018
Shares 31,998 Value ($000) $1,544 Avg Close — Range —