| Filing Date | Form | Description | Filing Group | | 05/24/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05/24/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
|
| | 05/21/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
|
| | 05/21/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
|
| | 05/21/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
|
| | 05/21/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
|
| | 05/21/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
|
| | 05/21/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
|
| | 05/21/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
|
| | 05/21/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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