| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/05/19 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 1 | |
| 02/01/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/01/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/01/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/01/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/07/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |