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| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 08/31/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/06/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/15/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/12/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/12/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |