Investor Home NASDAQICLKYearTrailing 12-MonthsCalendar Year 2021Calendar Year 2020Calendar Year 2019Calendar Year 2018Calendar Year 2017Calendar Year 2011Calendar Year 2010Calendar Year 2009ViewAll FilingsAnnual FilingsCurrent FilingsRegistration StatementsSection 16OtherFormDescriptionDateFormat424B4Form of prospectus disclosing information facts events covered in both forms 424B1 424B3Dec 22, 2017Open Form of prospectus disclosing information facts events covered in both forms 424B1 424B3 in HTML.Open Form of prospectus disclosing information facts events covered in both forms 424B1 424B3 in DOC file.Open Form of prospectus disclosing information facts events covered in both forms 424B1 424B3 in PDF file.Open Form of prospectus disclosing information facts events covered in both forms 424B1 424B3 in XLS file.F-1/AThis filing is a pre-effective amendment to an F-1 filingDec 19, 2017Open This filing is a pre-effective amendment to an F-1 filing in HTML.Open This filing is a pre-effective amendment to an F-1 filing in DOC file.Open This filing is a pre-effective amendment to an F-1 filing in PDF file.Open This filing is a pre-effective amendment to an F-1 filing in XLS file.F-1/AThis filing is a pre-effective amendment to an F-1 filingDec 18, 2017Open This filing is a pre-effective amendment to an F-1 filing in HTML.Open This filing is a pre-effective amendment to an F-1 filing in DOC file.Open This filing is a pre-effective amendment to an F-1 filing in PDF file.Open This filing is a pre-effective amendment to an F-1 filing in XLS file.F-1/AThis filing is a pre-effective amendment to an F-1 filingDec 11, 2017Open This filing is a pre-effective amendment to an F-1 filing in HTML.Open This filing is a pre-effective amendment to an F-1 filing in DOC file.Open This filing is a pre-effective amendment to an F-1 filing in PDF file.Open This filing is a pre-effective amendment to an F-1 filing in XLS file.F-1/AThis filing is a pre-effective amendment to an F-1 filingDec 1, 2017Open This filing is a pre-effective amendment to an F-1 filing in HTML.Open This filing is a pre-effective amendment to an F-1 filing in DOC file.Open This filing is a pre-effective amendment to an F-1 filing in PDF file.Open This filing is a pre-effective amendment to an F-1 filing in XLS file.F-6Registration of depository shares evidenced by American Depository ReceiptsDec 1, 2017Open Registration of depository shares evidenced by American Depository Receipts in HTML.Open Registration of depository shares evidenced by American Depository Receipts in DOC file.Open Registration of depository shares evidenced by American Depository Receipts in PDF file.Open Registration of depository shares evidenced by American Depository Receipts in XLS file.8-A12BRegistration of certain classes of securities 12(b) of the Securities Exchange ActDec 1, 2017Open Registration of certain classes of securities 12(b) of the Securities Exchange Act in HTML.Open Registration of certain classes of securities 12(b) of the Securities Exchange Act in DOC file.Open Registration of certain classes of securities 12(b) of the Securities Exchange Act in PDF file.Open Registration of certain classes of securities 12(b) of the Securities Exchange Act in XLS file.F-1/AThis filing is a pre-effective amendment to an F-1 filingNov 22, 2017Open This filing is a pre-effective amendment to an F-1 filing in HTML.Open This filing is a pre-effective amendment to an F-1 filing in DOC file.Open This filing is a pre-effective amendment to an F-1 filing in PDF file.Open This filing is a pre-effective amendment to an F-1 filing in XLS file.F-1Registration statement for certain foreign private issuersOct 20, 2017Open Registration statement for certain foreign private issuers in HTML.Open Registration statement for certain foreign private issuers in DOC file.Open Registration statement for certain foreign private issuers in PDF file.Open Registration statement for certain foreign private issuers in XLS file.