SEC Filings

Form Description Filing date View
6-K

Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act

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SC 13G

A statement of beneficial ownership of common stock by certain persons

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6-K

Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act

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6-K

Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act

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SC 13G

A statement of beneficial ownership of common stock by certain persons

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6-K

Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act

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6-K

Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act

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SC 13G

A statement of beneficial ownership of common stock by certain persons

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424B4

Form of prospectus disclosing information facts events covered in both forms 424B1 424B3

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CERTNAS

CERTNAS

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EFFECT

EFFECT

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EFFECT

EFFECT

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F-1/A

This filing is a pre-effective amendment to an F-1 filing

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FWP

FWP

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8-A12B

Registration of certain classes of securities 12(b) of the Securities Exchange Act

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F-1/A

This filing is a pre-effective amendment to an F-1 filing

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F-6

Registration of depository shares evidenced by American Depository Receipts

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F-1/A

This filing is a pre-effective amendment to an F-1 filing

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F-1

Registration statement for certain foreign private issuers

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