| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/16/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/16/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/04/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/02/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/18/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/13/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |