IMPERVA INC

CUSIP: 45321L100 Class: COM

THORNBURG INVESTMENT MANAGEMENT INC's Holding History (CIK: 0001145020)

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

Q1 2014
Shares 134,551 Value ($000) $7,494 Avg Close — Range —
Q4 2013
Shares 254,739 Value ($000) $12,261 Avg Close — Range —
Q3 2013
Shares 182,084 Value ($000) $7,651 Avg Close — Range —
Q2 2013
Shares 180,484 Value ($000) $8,129 Avg Close — Range —