| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/19/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/19/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/03/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/03/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/03/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/13/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/13/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/13/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/02/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/02/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |