| Date | Form | Description | Docs | XBRL | Pages |
| 01/14/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/17/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/12/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/25/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/15/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/12/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/09/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/02/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/02/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/27/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
