| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 07/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/14/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/31/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/21/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/21/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/21/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/21/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/30/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |