| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 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 | |
| 01/11/19 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 2 | |
| 01/11/19 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 2 | |
| 12/18/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 12/17/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |