| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/20/18 | CORRESP | Form CORRESP: A correspondence can be sent as a document with another submission type or can be sent as a separate submission. | 4 | |
| 12/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/10/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/27/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/27/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/27/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/27/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/20/18 | UPLOAD | Form UPLOAD: SEC-generated letter | 2 | |
| 11/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |