| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/13/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/13/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/13/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/08/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/08/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/22/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/09/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/09/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 |