| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/22/18 | 3 | Initial statement of beneficial ownership of securities |   | 3 | |
| 02/22/18 | 3 | Initial statement of beneficial ownership of securities |   | 3 | |
| 02/16/18 | 8-K | Current report filing |   | 19 | |
| 02/14/18 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/14/18 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 02/14/18 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/14/18 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 02/14/18 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/14/18 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 02/09/18 | 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 |   | 5 | 
