| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/11/19 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 02/06/19 | 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 | 5 | |
| 01/25/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 01/16/19 | 8-K | Form 8-K: Current report | 6 | |
| 01/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |
