| Date | Form | Description | Docs | XBRL | Pages |
| 05/31/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/22/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/16/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/14/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/14/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/15/19 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 03/15/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/15/19 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/13/19 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/13/19 | 4 | Statement of changes in beneficial ownership of securities |
|
1 |
