| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/16/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/07/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/07/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/07/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/07/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/06/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/06/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/18/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |
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