| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/14/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/14/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/14/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/06/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/23/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/10/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/17/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/13/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/06/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |
