IMPERVA INC

CUSIP: 45321L100 Class: COM

THOMPSON SIEGEL & WALMSLEY LLC's Holding History (CIK: 0001008322)

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

Q4 2018
Shares 263 Value ($000) $15 Avg Close — Range —
Q3 2018
Shares 246,416 Value ($000) $11,446 Avg Close — Range —
Q2 2018
Shares 246,986 Value ($000) $11,917 Avg Close — Range —