| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/06/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/03/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/02/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/03/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/01/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/19/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |