| Filing Date | Form | Description | Filing Group | Downloads | | 04/20/18 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/20/18 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/16/18 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/15/18 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/13/18 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/09/18 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/09/18 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/07/18 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/05/18 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 03/02/18 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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