| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/07/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 4 | |
| 02/06/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 02/05/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 02/01/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 01/29/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 4 | |
| 01/26/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 01/25/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 4 | |
| 01/24/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 01/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 12/21/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |