| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 08/22/19 | 8-K | Form 8-K: Current report | 133 | |
| 08/16/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/14/19 | SC 13D/A | Form SC 13D/A: General Statement of Acquisition of Beneficial Ownership | 12 | |
| 07/31/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/23/19 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 7 | |
| 07/23/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |
