| Date Filed | Type | Description |
| 05/10/2011 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 02/11/2011 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 11/15/2010 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 08/16/2010 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 05/17/2010 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 02/16/2010 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals: |
| 02/12/2010 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 11/13/2009 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 10/01/2009 |
SC 13G/A
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend] |
| 08/14/2009 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 05/15/2009 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 05/11/2009 |
SC 13G
| Form SC 13G -- Statement of acquisition of beneficial ownership by individuals |
| 05/11/2009 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 03/16/2009 |
SC 13G
| Form SC 13G -- Statement of acquisition of beneficial ownership by individuals |
| 02/13/2009 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 02/11/2009 |
SC 13D/A
| Form SC 13D/A -- General statement of acquisition of beneficial ownership [amend] |
| 04/25/2008 |
DEFC14A
| Form DEFC14A - Definitive proxy statement, contested solicitations: |
| 04/25/2008 |
DEFN14A
| Form DEFN14A - Definitive proxy statement filed by non-management |