CUBIST PHARMACEUTICALS INC

CUSIP: 229678107 Class: COM

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q4 2014
Shares 5,639 Value ($000) $566 Avg Close — Range —
Q3 2014
Shares 5,639 Value ($000) $375 Avg Close — Range —
Q2 2014
Shares 3,939 Value ($000) $274 Avg Close — Range —
Q1 2014
Shares 10,239 Value ($000) $745 Avg Close — Range —
Q4 2013
Shares 20,839 Value ($000) $1,440 Avg Close — Range —
Q3 2013
Shares 49,839 Value ($000) $3,167 Avg Close — Range —
Q2 2013
Shares 49,900 Value ($000) $2,412 Avg Close — Range —