| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/26/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/22/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/17/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/17/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/08/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/02/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/02/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/28/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/28/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/28/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |
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