| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/24/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/22/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/21/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/09/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/07/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |