| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/08/19 | UPLOAD | Form UPLOAD: SEC-generated letter | 1 | |
| 03/28/19 | CORRESP | Form CORRESP: Correspondence | 4 | |
| 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 | |
| 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 |