| Date | Form | Description | Docs | XBRL | Pages |
| 04/02/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 04/01/13 | 11-K | Annual report of employee stock purchase, savings and similar plans |
|
13 | |
| 04/01/13 | 144 | Filing for proposed sale of securities under Rule 144 |
|
2 | |
| 03/26/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/26/13 | 144 | Filing for proposed sale of securities under Rule 144 |
|
2 | |
| 03/25/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/25/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/25/13 | 144 | Filing for proposed sale of securities under Rule 144 |
|
2 | |
| 03/25/13 | 144 | Filing for proposed sale of securities under Rule 144 |
|
2 |
