| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/27/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/27/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/27/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/05/18 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 1 | |
| 12/18/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |