ABGENIX INC

FY: Dec 31 2005

Q: Sep 30 2005

Q: Jun 30 2005

Q: Mar 31 2005

FY: Dec 31 2004

Q: Sep 30 2004

Q: Jun 30 2004

Q: Mar 31 2004

Q: Mar 31 2004

FY: Dec 31 2003

Q: Sep 30 2003

Q: Jun 30 2003

Q: Mar 31 2003

FY: Dec 31 2002

Q: Sep 30 2002

Q: Jun 30 2002

Q: Mar 31 2002

FY: Dec 31 2001

Q: Sep 30 2001

Q: Jun 30 2001

8.01,9.01

2.02,9.01

8.01

1.01

1.01,7.01,9.01

8.01,9.01

2.02,9.01

5.03,9.01

8.01,9.01

2.02,9.01

2.05,9.01

2.02,9.01

Entry into a Material Definitive Agreement

Results of Operations and Financial Condition

2.03

1.01,2.03,9.01

3.02,8.01,9.01

Other Events

2.02,9.01

Entry into a Material Definitive Agreement

Post-effective amendment to a registration statement

Post-effective amendment to a registration statement

Post-effective amendment to a registration statement

Post-effective amendment to a registration statement

Post-effective amendment to a registration statement

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post-effective amendment to a registration statement

Post Effective Amendment to S-8

Certification of termination of registration of a class of securities (Section 12(g))

No description available

Prospectus Supplement for Primary Offering

Post-effective amendment to a registration statement

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

No description available

Additional proxy soliciting materials filed by a non-management party

Additional Information for Proxy Statement/ Votes

No description available

Additional Information for Proxy Statement/ Votes

Additional proxy soliciting materials filed by a non-management party

Additional Information for Proxy Statement/ Votes

Additional proxy soliciting materials filed by a non-management party

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional proxy soliciting materials filed by a non-management party

Additional proxy soliciting materials filed by a non-management party

Additional proxy soliciting materials filed by a non-management party

Additional proxy soliciting materials filed by a non-management party

Definitive Proxy Statement

Definitive Proxy Statement

GREER R SCOTT

MILLS GAYLE

Knapp Jeffrey H

Joseph Donald

KUCHERLAPATI RAJU S

LOGAN MARK B

BEHRENS M KATHLEEN

WIGGANS THOMAS G

LEE KENNETH B JR

RINGO WILLIAM R

Wolff Henry Ward

SCHWAB GISELA MD

Anderson Kristen Metza

SCHWAB GISELA MD

Wolff Henry Ward

SCHWAB GISELA MD

KUCHERLAPATI RAJU S

WELLINGTON MANAGEMENT CO LLP

LOGAN MARK B

PRICE T ROWE ASSOCIATES INC /MD/

No description available

No description available

No description available

No description available

No description available

No description available

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Annual Report Scanned (Paper)

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Annual Report Scanned (Paper)

FILED AS OF DATE: 20031113

FILED AS OF DATE: 20020313

Post-effective amendment filed solely to add exhibits