| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/25/18 | 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 | |
| 01/25/18 | 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 | |
| 10/20/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/19/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/17/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 08/17/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/20/17 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 05/09/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |
