| Date | Form | Description | Filing Group | XBRL | Pages | |
|---|---|---|---|---|---|---|
| 06/18/19 | 4 | Statement of changes in beneficial ownership of securities | 3, 4, 5 |  | 1 | |
| 06/18/19 | 4 | Statement of changes in beneficial ownership of securities | 3, 4, 5 |  | 1 | |
| 06/18/19 | 4 | Statement of changes in beneficial ownership of securities | 3, 4, 5 |  | 1 | |
| 05/07/19 | 4 | Statement of changes in beneficial ownership of securities | 3, 4, 5 |  | 1 | |
| 05/07/19 | 4 | Statement of changes in beneficial ownership of securities | 3, 4, 5 |  | 1 | |
| 04/24/19 | 4 | Statement of changes in beneficial ownership of securities | 3, 4, 5 |  | 1 | |
| 04/04/19 | 4 | Statement of changes in beneficial ownership of securities | 3, 4, 5 |  | 1 | |
| 04/04/19 | 4 | Statement of changes in beneficial ownership of securities | 3, 4, 5 |  | 1 | |
| 04/04/19 | 4 | Statement of changes in beneficial ownership of securities | 3, 4, 5 |  | 1 | |
| 04/04/19 | 4 | Statement of changes in beneficial ownership of securities | 3, 4, 5 |  | 1 |