IMPERVA INC

CUSIP: 45321L100 Class: COM

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2018
Shares 186,175 Value ($000) $10,369 Avg Close — Range —
Q3 2018
Shares 184,537 Value ($000) $8,572 Avg Close — Range —
Q2 2018
Shares 172,988 Value ($000) $8,347 Avg Close — Range —
Q1 2018
Shares 161,722 Value ($000) $7,003 Avg Close — Range —
Q4 2017
Shares 156,057 Value ($000) $6,196 Avg Close — Range —
Q3 2017
Shares 138,604 Value ($000) $6,016 Avg Close — Range —
Q2 2017
Shares 131,762 Value ($000) $6,305 Avg Close — Range —
Q1 2017
Shares 119,475 Value ($000) $4,905 Avg Close — Range —
Q4 2016
Shares 113,166 Value ($000) $4,346 Avg Close — Range —
Q3 2016
Shares 107,381 Value ($000) $5,768 Avg Close — Range —
Q2 2016
Shares 97,461 Value ($000) $4,192 Avg Close — Range —
Q1 2016
Shares 91,547 Value ($000) $4,624 Avg Close — Range —
Q4 2015
Shares 89,514 Value ($000) $5,668 Avg Close — Range —
Q3 2015
Shares 86,972 Value ($000) $5,695 Avg Close — Range —
Q2 2015
Shares 85,214 Value ($000) $5,769 Avg Close — Range —
Q1 2015
Shares 76,733 Value ($000) $3,277 Avg Close — Range —
Q4 2014
Shares 68,030 Value ($000) $3,363 Avg Close — Range —
Q3 2014
Shares 65,715 Value ($000) $1,888 Avg Close — Range —
Q2 2014
Shares 59,571 Value ($000) $1,560 Avg Close — Range —
Q1 2014
Shares 56,242 Value ($000) $3,133 Avg Close — Range —
Q4 2013
Shares 51,387 Value ($000) $2,474 Avg Close — Range —
Q3 2013
Shares 49,636 Value ($000) $2,044 Avg Close — Range —
Q2 2013
Shares 40,327 Value ($000) $1,799 Avg Close — Range —