| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/02/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/02/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/02/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/02/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/27/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 02/26/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/04/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/04/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |