| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/11/19 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 02/01/19 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 6 | |
| 01/29/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/28/19 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 01/25/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/11/19 | 8-K | Form 8-K: Current report | 24 | |
| 01/04/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/14/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/14/18 | 8-K | Form 8-K: Current report | 4 | |
| 12/10/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |