| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/24/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/24/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/24/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/24/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/24/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/24/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/24/19 | 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 | |
| 05/14/19 | 15-12B | Form 15-12B: Notice of termination of registration of a class of securities under Section 12(b) | 1 | |
| 05/13/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 |
