| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/23/18 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 02/23/18 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 02/23/18 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 02/23/18 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 02/23/18 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 02/23/18 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 02/23/18 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 02/23/18 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 02/23/18 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 01/08/18 | 4 | Statement of changes in beneficial ownership of securities | 1 |