| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/14/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/14/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/08/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/08/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 03/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/14/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/14/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |