IMPERVA INC

CUSIP: 45321L100 Class: COM

Grantham, Mayo, Van Otterloo & Co. LLC's Holding History (CIK: 0001352662)

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

Q4 2016
Shares 157,708 Value ($000) $6,056 Avg Close — Range —
Q3 2016
Shares 22,100 Value ($000) $1,187 Avg Close — Range —