| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/29/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/29/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/29/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/29/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/29/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/29/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/29/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/13/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |