| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/20/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/20/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/20/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/20/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/20/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/20/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/20/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/14/19 | 3/A | Form 3/A: Initial statement of beneficial ownership of securities | 1 | |
| 02/14/19 | 3/A | Form 3/A: Initial statement of beneficial ownership of securities | 1 | |
| 02/13/19 | SC 13G/A | Form SC 13G/A: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | 3 |
