CUBIST PHARMACEUTICALS INC

CUSIP: 229678107 Class: COM

Main Street Research LLC's Holding History (CIK: 0001513211)

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

Q4 2014
Shares 3,000 Value ($000) $302 Avg Close — Range —
Q2 2014
Shares 3,000 Value ($000) $209 Avg Close — Range —
Q1 2014
Shares 3,000 Value ($000) $219 Avg Close — Range —
Q4 2013
Shares 3,000 Value ($000) $207 Avg Close — Range —