CUBIST PHARMACEUTICALS INC

CUSIP: 229678107 Class: COM

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q4 2014
Shares 138,915 Value ($000) $13,982 Avg Close — Range —
Q3 2014
Shares 10,510 Value ($000) $697 Avg Close — Range —
Q2 2014
Shares 10,470 Value ($000) $731 Avg Close — Range —
Q1 2014
Shares 10,444 Value ($000) $764 Avg Close — Range —
Q4 2013
Shares 10,394 Value ($000) $716 Avg Close — Range —
Q3 2013
Shares 9,380 Value ($000) $596 Avg Close — Range —