| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/25/20 | 8-K | Form 8-K: Current report |
|
4 |
| 02/20/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/18/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/18/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/18/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/18/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/18/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/18/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/18/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/18/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |