| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/08/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/22/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |