| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/20/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/18/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/18/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/18/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/18/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/18/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/15/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/08/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/07/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/07/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |