| Date | Form | Description | Docs | XBRL | Pages |
| 02/13/19 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/07/19 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 01/25/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/25/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/25/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/25/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/14/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 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 |
