| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/30/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/28/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/26/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/21/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/21/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 09/11/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 08/31/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 08/29/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 08/29/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |