| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 09/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/11/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/11/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/27/18 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 1 | |
| 07/27/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/27/18 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 1 | |
| 07/27/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/01/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 02/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |