CUBIST PHARMACEUTICALS INC

CUSIP: 229678107 Class: COM

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q3 2014
Shares 28,900 Value ($000) $1,917 Avg Close — Range —
Q1 2014
Shares 25,200 Value ($000) $1,843 Avg Close — Range —
Q4 2013
Shares 25,200 Value ($000) $1,735 Avg Close — Range —
Q3 2013
Shares 25,200 Value ($000) $1,601 Avg Close — Range —
Q2 2013
Shares 15,400 Value ($000) $743 Avg Close — Range —