| Date | Form | Description | Docs | XBRL | Pages |
| 12/27/18 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 08/21/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/20/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/09/18 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/05/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/22/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/20/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/02/17 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 09/13/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/24/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |