| Date Filed | Type | Description |
| 06/01/2011 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 06/01/2011 |
SC 13D
| Form SC 13D - General statement of acquisition of beneficial ownership: |
| 02/12/2004 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 11/13/2003 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 08/11/2003 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 05/14/2003 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 02/13/2003 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 11/13/2002 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 08/09/2002 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 02/11/2002 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 11/13/2001 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 08/10/2001 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 05/14/2001 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 02/12/2001 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 11/13/2000 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 08/09/2000 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice |
| 05/12/2000 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice |
| 02/14/2000 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice |
| 11/15/1999 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice |
| 08/17/1999 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice |
| 05/17/1999 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice |
| 04/27/1999 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 04/27/1999 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |