| 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 | |
| 02/19/20 | 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 | |
| 02/12/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/12/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/05/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/28/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/16/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/02/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |