CUBIST PHARMACEUTICALS INC

CUSIP: 229678107 Class: COM

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q4 2014
Shares 9,021 Value ($000) $908 Avg Close — Range —
Q3 2014
Shares 7,385 Value ($000) $490 Avg Close — Range —
Q2 2014
Shares 7,620 Value ($000) $532 Avg Close — Range —
Q1 2014
Shares 4,706 Value ($000) $344 Avg Close — Range —
Q4 2013
Shares 4,583 Value ($000) $316 Avg Close — Range —
Q3 2013
Shares 4,463 Value ($000) $284 Avg Close — Range —