| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 06/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 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 | 2 | |
| 03/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/12/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/12/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/12/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/12/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/12/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/12/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |