| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 06/13/18 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 2 | |
| 06/11/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/30/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/22/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/11/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/08/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 04/27/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/18/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |