IMPERVA INC

CUSIP: 45321L100 Class: COM

GAM Holding AG's Holding History (CIK: 0001438848)

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

Q4 2018
Shares 83,200 Value ($000) $4,633 Avg Close — Range —
Q4 2015
Shares 21,300 Value ($000) $1,349 Avg Close — Range —
Q3 2015
Shares 17,000 Value ($000) $1,113 Avg Close — Range —