| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/16/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/11/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/09/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/02/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/02/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/28/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/28/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/26/13 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 1 | |
| 03/26/13 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 03/26/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |
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