| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/31/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/31/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/31/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/31/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/31/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/31/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/31/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/06/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/04/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |