| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/28/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/28/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/28/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/28/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/28/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/28/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/14/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 10/20/17 | 3/A | Form 3/A: Initial statement of beneficial ownership of securities | 2 | |
| 10/20/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |
