| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 08/01/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/13/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/18/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/22/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |