ONYX PHARMACEUTICALS INC

CUSIP: 683399109 Class: COM

PRELUDE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001387508)

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

Q3 2013
Shares 16,871 Value ($000) $2,104 Avg Close — Range —
Q2 2013
Shares 9,216 Value ($000) $800 Avg Close — Range —
Q1 2013
Shares 10,716 Value ($000) $952 Avg Close — Range —