| 01/05/12 |
4
|
Statement of changes in beneficial ownership of securities
|
|
|
2 |
| 01/04/12 |
4
|
Statement of changes in beneficial ownership of securities
|
|
|
2 |
| 12/14/11 |
4
|
Statement of changes in beneficial ownership of securities
|
|
|
1 |
| 11/28/11 |
4
|
Statement of changes in beneficial ownership of securities
|
|
|
1 |
| 11/23/11 |
4
|
Statement of changes in beneficial ownership of securities
|
|
|
1 |
| 09/20/11 |
4
|
Statement of changes in beneficial ownership of securities
|
|
|
1 |
| 09/20/11 |
4
|
Statement of changes in beneficial ownership of securities
|
|
|
1 |
| 09/20/11 |
4
|
Statement of changes in beneficial ownership of securities
|
|
|
1 |
| 09/20/11 |
4
|
Statement of changes in beneficial ownership of securities
|
|
|
1 |
| 09/20/11 |
4
|
Statement of changes in beneficial ownership of securities
|
|
|
1 |