| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 07/31/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/22/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 02/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/02/18 | 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 | |
| 12/19/17 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 |