| Date | Form | Description | Docs | XBRL | Pages |
| 01/26/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/22/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/11/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/29/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/29/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/29/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/29/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/27/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/21/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/20/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
