| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/28/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/25/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/25/19 | 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 | |
| 01/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/18/19 | 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 | |
| 01/16/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |