CUBIST PHARMACEUTICALS INC

CUSIP: 229678107 Class: COM

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q4 2014
Shares 592,729 Value ($000) $59,658,000 Avg Close — Range —
Q2 2014
Shares 42,400 Value ($000) $2,960,000 Avg Close — Range —