CUBIST PHARMACEUTICALS INC

CUSIP: 229678107 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2014
Shares 2,149,550 Value ($000) $216,352 Avg Close — Range —
Q3 2014
Shares 6,166,910 Value ($000) $409,113 Avg Close — Range —
Q2 2014
Shares 5,411,728 Value ($000) $377,848 Avg Close — Range —
Q1 2014
Shares 5,494,068 Value ($000) $401,891 Avg Close — Range —
Q4 2013
Shares 5,874,869 Value ($000) $404,602 Avg Close — Range —
Q3 2013
Shares 6,552,923 Value ($000) $416,439 Avg Close — Range —
Q2 2013
Shares 6,560,198 Value ($000) $316,857 Avg Close — Range —