CUBIST PHARMACEUTICALS INC

CUSIP: 229678123 Class: COMMON

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

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

Q4 2014
Shares 78,500 Value ($000) $3 Avg Close — Range —
Q3 2014
Shares 78,500 Value ($000) $9 Avg Close — Range —
Q2 2014
Shares 78,500 Value ($000) $9 Avg Close — Range —
Q1 2014
Shares 78,500 Value ($000) $51 Avg Close — Range —
Q4 2013
Shares 88,600 Value ($000) $120 Avg Close — Range —