| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/06/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/06/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/06/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/05/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/17/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/11/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/07/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/07/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/31/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/31/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |