| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/18/18 | 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 | |
| 05/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/05/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/30/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/28/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/22/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/07/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |