| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/13/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/11/19 | SC 13D/A | Form SC 13D/A: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 7 |
