| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 06/04/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/01/18 | 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 | |
| 05/10/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/04/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/17/18 | 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 |