| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 10/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/16/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 10/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/16/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 10/16/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 08/14/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 02/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/31/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |