| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/06/18 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 1 | |
| 02/06/18 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 1 | |
| 12/14/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/13/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/13/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/06/17 | 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 |