IMPERVA INC

CUSIP: 45321L100 Class: COM

Granahan Investment Management, LLC's Holding History (CIK: 0001026710)

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

Q3 2018
Shares 43,077 Value ($000) $2,001 Avg Close — Range —
Q2 2018
Shares 44,961 Value ($000) $2,169 Avg Close — Range —
Q1 2018
Shares 42,536 Value ($000) $1,842 Avg Close — Range —
Q4 2017
Shares 42,536 Value ($000) $1,689 Avg Close — Range —
Q3 2017
Shares 43,580 Value ($000) $1,891 Avg Close — Range —
Q2 2017
Shares 40,345 Value ($000) $1,931 Avg Close — Range —
Q1 2017
Shares 39,310 Value ($000) $1,614 Avg Close — Range —
Q4 2016
Shares 239,900 Value ($000) $9,212 Avg Close — Range —
Q3 2016
Shares 255,700 Value ($000) $13,734 Avg Close — Range —
Q2 2016
Shares 510,100 Value ($000) $21,939 Avg Close — Range —
Q1 2016
Shares 414,030 Value ($000) $20,909 Avg Close — Range —
Q4 2015
Shares 321,780 Value ($000) $20,372 Avg Close — Range —
Q3 2015
Shares 400,380 Value ($000) $26,217 Avg Close — Range —
Q2 2015
Shares 425,980 Value ($000) $28,839 Avg Close — Range —
Q1 2015
Shares 413,680 Value ($000) $17,664 Avg Close — Range —
Q4 2014
Shares 390,900 Value ($000) $19,322 Avg Close — Range —
Q3 2014
Shares 390,900 Value ($000) $11,231 Avg Close — Range —
Q2 2014
Shares 298,400 Value ($000) $7,812 Avg Close — Range —
Q1 2014
Shares 258,400 Value ($000) $14,393 Avg Close — Range —
Q4 2013
Shares 265,900 Value ($000) $12,798 Avg Close — Range —
Q3 2013
Shares 260,900 Value ($000) $10,963 Avg Close — Range —
Q2 2013
Shares 260,900 Value ($000) $11,751 Avg Close — Range —