| Date | Form | Description | Docs | XBRL | Pages |
| 06/21/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/04/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/15/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/11/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/03/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/13/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/09/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/06/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/06/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/06/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
