| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 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 | |
| 05/15/18 | 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 | 2 | |
| 04/30/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/27/18 | 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 | |
| 03/19/18 | 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 | |
| 03/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |