| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 06/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/10/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/10/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/16/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/16/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/03/19 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 05/03/19 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 05/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |