| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/25/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/25/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/17/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/05/18 | 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 | |
| 12/22/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/21/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/20/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |