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| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/24/19 | 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 | |
| 04/24/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/18/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/19/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/08/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |