| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/31/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/31/19 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 01/22/19 | 8-K | Form 8-K: Current report | 39 | |
| 12/04/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/04/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/04/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/05/18 | 8-K/A | Form 8-K/A: Current report | 167 | |
| 10/31/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/30/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |