| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/23/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/23/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/12/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/11/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/11/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |
