| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/20/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/20/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/13/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/13/17 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 2 | |
| 12/08/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/21/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/21/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/15/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/03/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 10/26/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |