| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 10/30/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/30/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/30/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/17/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/17/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 08/31/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 05/10/18 | 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 | |
| 01/19/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 11/20/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |