| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/25/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/25/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/04/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/04/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/30/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/28/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/28/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 10/25/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/16/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 |