| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/01/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/01/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/08/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/18/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/10/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/10/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/10/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/04/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/07/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 10/26/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |