| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 10/10/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/10/19 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 10/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/26/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/11/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/20/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/20/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 08/19/19 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 11 |