CUBIST PHARMACEUTICALS INC

CUSIP: 229678107 Class: COM

VIRGINIA RETIREMENT SYSTEMS ET AL's Holding History (CIK: 0001005354)

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

Q4 2014
Shares 23,000 Value ($000) $2,315 Avg Close — Range —
Q3 2014
Shares 23,000 Value ($000) $1,526 Avg Close — Range —
Q2 2014
Shares 22,200 Value ($000) $1,550 Avg Close — Range —
Q1 2014
Shares 22,600 Value ($000) $1,653 Avg Close — Range —
Q4 2013
Shares 23,100 Value ($000) $1,591 Avg Close — Range —
Q3 2013
Shares 21,400 Value ($000) $1,360 Avg Close — Range —
Q2 2013
Shares 22,000 Value ($000) $1,062 Avg Close — Range —