| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/21/20 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/01/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/18/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/02/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 07/19/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 07/18/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 07/17/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/28/19 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/24/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/02/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
