| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/28/17 | 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 | |
| 12/15/17 | 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 | |
| 12/13/17 | 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 |