CUBIST PHARMACEUTICALS INC

CUSIP: 22967810 Class: COM

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

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

Q3 2013
Shares 37,637 Value ($000) $2,392 Avg Close — Range —
Q2 2013
Shares 136,242 Value ($000) $6,580 Avg Close — Range —