| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 04/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 04/17/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 04/17/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 04/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/13/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 04/12/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 04/11/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 04/10/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 |