| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/17/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/10/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/10/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 04/30/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 03/28/18 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 |
