RPX CORP

CUSIP: 74972G103 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q1 2018
Shares 178,085 Value ($000) $1,904 Avg Close — Range —
Q4 2017
Shares 272,726 Value ($000) $3,665 Avg Close — Range —
Q3 2017
Shares 85,716 Value ($000) $1,138 Avg Close — Range —
Q2 2017
Shares 88,320 Value ($000) $1,232 Avg Close — Range —