STAMPS COM INC

CUSIP: 85285720 Class: COM NEW

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

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

Q2 2016
Shares 43,070 Value ($000) $3,765 Avg Close — Range —
Q4 2015
Shares 49,300 Value ($000) $5,404 Avg Close — Range —
Q3 2015
Shares 3,800 Value ($000) $280 Avg Close — Range —
Q2 2015
Shares 3,800 Value ($000) $280 Avg Close — Range —
Q1 2014
Shares 85,127 Value ($000) $2,857 Avg Close — Range —
Q4 2013
Shares 89,961 Value ($000) $3,787 Avg Close — Range —
Q3 2013
Shares 47,284 Value ($000) $2,172 Avg Close — Range —