| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 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 | |
| 05/07/18 | 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 | 3 | |
| 05/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 05/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 05/01/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 |