| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/06/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/24/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/04/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 03/27/19 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 2 | |
| 03/25/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/06/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/06/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 03/05/19 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 2 |