Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001209191-10-020373
Filing Date
2010-04-02
Accepted
2010-04-02 19:04:28
Documents
1
Period of Report
2010-03-31

Document Format Files

Seq Description Document Type Size
1 FORM 4 SUBMISSION doc4.html 4  
1 FORM 4 SUBMISSION doc4.xml 4 5331
  Complete submission text file 0001209191-10-020373.txt   6972
Mailing Address 2100 POWELL STREET EMERYVILLE CA 94608
Business Address 2100 POWELL STREET EMERYVILLE CA 94608 5105976500
ONYX PHARMACEUTICALS INC (Issuer) CIK: 0001012140 (see all company filings)

EIN.: 943154463 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2836 Biological Products, (No Diagnostic Substances)

Mailing Address
Business Address
GRILLO LOPEZ ANTONIO J (Reporting) CIK: 0001235942 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-28298 | Film No.: 10729160