IMPERVA INC

CUSIP: 45321L100 Class: COM

GILDER GAGNON HOWE & CO LLC's Holding History (CIK: 0000902464)

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

Q2 2017
Shares 111,390 Value ($000) $5,330 Avg Close — Range —
Q1 2014
Shares 4,666 Value ($000) $260 Avg Close — Range —
Q4 2013
Shares 5,866 Value ($000) $282 Avg Close — Range —
Q3 2013
Shares 5,841 Value ($000) $245 Avg Close — Range —
Q2 2013
Shares 5,947 Value ($000) $267,853 Avg Close — Range —