| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 06/01/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 05/30/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/29/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 05/24/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 05/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 05/22/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 05/21/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 4 | |
| 05/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/15/18 | 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 | 3 |