| Date Filed | Type | Description |
| 03/29/2006 |
8-K
| Quarterly results |
| 03/15/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/10/2006 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/21/2006 |
8-K
| Quarterly results |
| 02/14/2006 |
SC 13G/A
| WELLINGTON MANAGEMENT CO LLP reports a 13.5% stake in Abgenix, Inc. |
| 02/14/2006 |
SC 13G/A
| PRICE T ROWE ASSOCIATES INC reports a 6.1% stake in ABGENIX, INC. |
| 02/13/2006 |
SC 13G/A
| CITADEL L P reports a 3% stake in Abgenix, Inc. |
| 02/13/2006 |
SC 13G
| CITIGROUP INC reports a 5.1% stake in Abgenix, Inc. |
| 02/08/2006 |
DEFM14A
| Form DEFM14A - Definitive proxy statement relating to merger or acquisition: |
| 02/02/2006 |
SC 13G/A
| ORBIMED ADVISORS LLC reports a 8.7% stake in Abgenix Inc. |
| 02/01/2006 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 01/19/2006 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 01/12/2006 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 01/12/2006 |
424B7
| Form 424B7 - Prospectus [Rule 424(b)(7)] |
| 01/09/2006 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 12/23/2005 |
8-K
| Other Events |
| 12/22/2005 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 12/20/2005 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 12/19/2005 |
8-K
| Entry into a Material Definitive Agreement |
| 12/15/2005 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 12/15/2005 |
8-K
| Entry into a Material Definitive Agreement, Regulation FD Disclosure, Financial Statements and Exhibits |
| 12/14/2005 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 12/14/2005 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 12/07/2005 |
424B7
| Form 424B7 - Prospectus [Rule 424(b)(7)] |
| 11/09/2005 |
10-Q
| Quarterly Report for the period ended September 30, 2005 |
| 11/08/2005 |
8-K
| Other Events, Financial Statements and Exhibits |
| 10/25/2005 |
8-K
| Quarterly results |
| 09/27/2005 |
8-K
| Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits |
| 08/26/2005 |
424B3
| Form 424B3 - Prospectus [Rule 424(b)(3)] |
| 08/09/2005 |
10-Q
| Quarterly Report for the period ended June 30, 2005 |
| 08/02/2005 |
8-K
| Other Events, Financial Statements and Exhibits |
| 07/26/2005 |
8-K
| Quarterly results |
| 07/15/2005 |
SC 13G
| CITADEL L P reports a 5.4% stake in Abgenix, Inc. |
| 06/28/2005 |
8-K
| Cost Associated with Exit or Disposal Activities, Financial Statements and Exhibits |
|