RPX CORP

CUSIP: 74972G103 Class: COM

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q1 2018
Shares 133,590 Value ($000) $1,428 Avg Close — Range —
Q4 2017
Shares 123,990 Value ($000) $1,666 Avg Close — Range —
Q3 2017
Shares 136,990 Value ($000) $1,819 Avg Close — Range —
Q2 2017
Shares 161,163 Value ($000) $2,248 Avg Close — Range —
Q1 2017
Shares 184,750 Value ($000) $2,217 Avg Close — Range —
Q4 2016
Shares 56,410 Value ($000) $609 Avg Close — Range —
Q3 2016
Shares 64,210 Value ($000) $686 Avg Close — Range —
Q2 2016
Shares 64,210 Value ($000) $589 Avg Close — Range —
Q1 2016
Shares 64,210 Value ($000) $723 Avg Close — Range —
Q4 2015
Shares 64,210 Value ($000) $706 Avg Close — Range —
Q3 2015
Shares 64,210 Value ($000) $881 Avg Close — Range —
Q2 2015
Shares 64,300 Value ($000) $1,087 Avg Close — Range —
Q1 2015
Shares 64,300 Value ($000) $925 Avg Close — Range —
Q4 2014
Shares 64,300 Value ($000) $886 Avg Close — Range —
Q3 2014
Shares 64,300 Value ($000) $883 Avg Close — Range —
Q2 2014
Shares 64,300 Value ($000) $1,141 Avg Close — Range —
Q1 2014
Shares 54,000 Value ($000) $879 Avg Close — Range —
Q4 2013
Shares 54,400 Value ($000) $919 Avg Close — Range —
Q3 2013
Shares 54,400 Value ($000) $954 Avg Close — Range —
Q2 2013
Shares 49,703 Value ($000) $835 Avg Close — Range —