| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/22/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/22/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/22/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/08/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/15/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/15/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 09/14/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 09/13/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |
