| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/05/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/05/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/22/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/22/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/15/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |