IMPERVA INC

CUSIP: 45321L100 Class: COM

PIPER SANDLER & CO.'s Holding History (CIK: 0000724683)

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

Q2 2015
Shares 5,000 Value ($000) $339 Avg Close — Range —
Q2 2014
Shares 17,500 Value ($000) $458 Avg Close — Range —