| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 11/27/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/26/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/12/19 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 11/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |