| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/12/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/14/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/13/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/13/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/13/17 | 3 | Form 3: Initial statement of beneficial ownership of securities | 3 | |
| 12/12/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/16/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |
