| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/14/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/12/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/11/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |