| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/24/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/21/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/16/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/16/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/16/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/06/19 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 2 | |
| 02/26/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/26/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 3 |
