| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/31/18 | 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 | |
| 12/11/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 12/11/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 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 | |
| 11/29/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/26/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |
