| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/26/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/26/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/26/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/21/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/20/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/20/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/20/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |