| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 03/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/01/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 02/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/05/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/05/19 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 2 | |
| 02/05/19 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 2 | |
| 01/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 01/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 01/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 |