IMPERVA INC

CUSIP: 45321L100 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2018
Shares 113,536 Value ($000) $6,323 Avg Close — Range —
Q3 2018
Shares 105,796 Value ($000) $4,914 Avg Close — Range —