| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/25/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/24/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/24/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/03/19 | 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 | |
| 03/19/19 | 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 | |
| 03/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |