| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/22/19 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 02/21/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/31/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/04/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/04/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/28/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/21/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/14/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/14/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/10/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |