ONYX PHARMACEUTICALS INC

CUSIP: 683399109 Class: COM

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q3 2013
Shares 58,370 Value ($000) $7,277 Avg Close — Range —
Q2 2013
Shares 1,256,493 Value ($000) $109,089 Avg Close — Range —