| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 06/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/18/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 06/06/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/03/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 05/10/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 04/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/02/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/06/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/27/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |