| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/20/15 | 4/A | Statement of changes in beneficial ownership of securities | 1 | ||
| 02/20/15 | 4/A | Statement of changes in beneficial ownership of securities | 1 | ||
| 02/19/15 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 02/18/15 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 02/18/15 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 02/18/15 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 02/18/15 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 02/18/15 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 02/17/15 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 02/10/15 | 4 | Statement of changes in beneficial ownership of securities | 1 |