| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/22/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/22/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/22/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/01/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/19/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 01/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/04/17 | 3 | Form 3: Initial statement of beneficial ownership of securities | 3 |