| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 06/11/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/11/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/31/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/29/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/29/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/29/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/28/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/24/19 | PRE 14A | Form PRE 14A: Preliminary proxy statement not related to a contested matter or merger/acquisition | 104 | |
| 05/20/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |
