Company:  ONYX PHARMACEUTICALS INC (ONXX)
Form Type:  10-Q
Filing Date:  5/4/2012 
CIK:  0001012140 
Address:  249 E. GRAND AVE. 
City, State, Zip:  SOUTH SAN FRANCISCO, California 94080 
Telephone:  650-266-0000 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$95.23  
Change: 
-0.97 (-1.01%)  
Trade Time: 
May 24  
Market Cap: 
$6.93B
Description of Business
Register for a Free Trial and access this filing in:     
  FORM 10-Q
    PART I: FINANCIAL INFORMATION
      Item 1. Financial Statements (Unaudited)
        BALANCE SHEET
        INCOME STATEMENT
        CASH FLOW
        NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
          BALANCE SHEET
          BALANCE SHEET
          BALANCE SHEET
      Item 2. Management's Discussion and Analysis of Financial ...
      Item 3. Quantitative and Qualitative Disclosures About ...
      Item 4. Controls and Procedures
    PART II: OTHER INFORMATION
      Item 1. Legal Proceedings.
      Item 1A. Risk Factors.
      Item 2. Unregistered Sales of Equity Securities and Use of ...
      Item 3. Defaults Upon Senior Securities.
      Item 4. Mining Safety Disclosures
      Item 5. Other Information.
      Item 6. Exhibits.
    SIGNATURES
    EXHIBIT INDEX
  EXHIBIT 10.30(II)
  EXHIBIT 31.1
    CERTIFICATION
  EXHIBIT 31.2
    CERTIFICATION
  EXHIBIT 32.1
    CERTIFICATION