| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/26/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 12/26/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 12/21/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/18/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/18/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/18/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/05/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/19/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 04/17/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/09/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 |