| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/12/20 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 01/30/20 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 01/10/20 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 12/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |