| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/18/19 | 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 | |
| 01/04/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/04/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/04/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/04/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/04/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/04/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 10/31/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 10/22/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |