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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

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FORM 6-K

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REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

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For the Month of July 2021

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Commission File Number: 001-38097

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ARGENX SE

(Translation of registrant’s name into English)

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Willemstraat 5
4811 AH, Breda, the Netherlands

(Address of principal executive offices)

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Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

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Form 20-F  ⌧     Form 40-F  ◻

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Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ◻

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Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ◻

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argenx SE

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On July 29, 2021, argenx SE (the “Company) issued a press release and unaudited Six Months results for 2021, which are further described in an Unaudited Interim Report for the Six Months Ended June 30, 2021, copies of which are attached hereto as Exhibits 99.1 and 99.2, respectively, and are incorporated by reference herein.

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The information contained in this Current Report on Form 6-K, including the exhibits hereto, is incorporated by reference into the Company’s Registration Statement on Form S-8 (File No. 333-225375).

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EXHIBITS

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SIGNATURES

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Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

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