| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/31/19 | Initial statement of beneficial ownership of securities |
|
3 | ||
| 01/31/19 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/21/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/19/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 10/16/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 08/31/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 07/30/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 06/11/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 06/07/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/15/18 | Statement of changes in beneficial ownership of securities |
|
2 |