| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 07/28/15 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/28/15 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/28/15 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/28/15 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/23/15 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/22/15 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/02/15 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/28/15 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/27/15 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/20/15 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 |