| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/21/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/21/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/21/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/21/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/21/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/19/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/19/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/14/20 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 18 | |
| 02/14/20 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 10 | |
| 02/12/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |