| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/26/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/09/18 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 2 | |
| 12/19/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |