| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/02/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/02/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/02/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/02/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/11/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |