| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/23/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/23/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/25/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/25/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/13/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/13/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/01/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/30/18 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 07/10/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |