Date Form Description PDF XBRL Pages
06/08/17 4 Statement of changes in beneficial ownership of securities PDF 1
06/08/17 4 Statement of changes in beneficial ownership of securities PDF 1
06/06/17 4 Statement of changes in beneficial ownership of securities PDF 2
06/02/17 4 Statement of changes in beneficial ownership of securities PDF 2
05/30/17 4 Statement of changes in beneficial ownership of securities PDF 2
05/26/17 4 Statement of changes in beneficial ownership of securities PDF 2
05/26/17 4/A Statement of changes in beneficial ownership of securities PDF 2
05/25/17 SD Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)
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PDF 5
05/24/17 4 Statement of changes in beneficial ownership of securities PDF 2
05/17/17 4 Statement of changes in beneficial ownership of securities PDF 2