Filing date Form Description 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

    An amendment to the SC 13G filing

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    SC 13G

    A statement of beneficial ownership of common stock by certain persons

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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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    6-K

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

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    20-F

    Registration of securities of foreign private issuers pursuant to section 12(b) or (g)

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    6-K/A

    Amendment to a previously filed 6-K

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    SC 13G

    A statement of beneficial ownership of common stock by certain persons

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