CUBIST PHARMACEUTICALS INC

CUSIP: 229678107 Class: COM

JANE STREET GROUP, LLC's Holding History (CIK: 0001595888)

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

Q3 2014
Shares 9,856 Value ($000) $654 Avg Close — Range —
Q2 2014
Shares 12,557 Value ($000) $877 Avg Close — Range —
Q1 2014
Shares 4,723 Value ($000) $345 Avg Close — Range —