| Date | Form | Description | Docs | XBRL | Pages |
| 11/27/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/27/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/05/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/31/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/29/18 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 08/29/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/20/17 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/20/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/05/17 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 11/16/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
