| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/25/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/25/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/01/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 11/20/18 | 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 | 1 | |
| 10/31/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/31/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/31/18 | 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 | |
| 10/30/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |