| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 06/04/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/24/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/01/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/25/18 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 2 | |
| 03/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |