| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/29/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/25/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/04/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/04/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/04/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/18/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/18/17 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 12/18/17 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 12/06/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/05/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |