6-K

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

For the month of August, 2025

Commission File Number: 001-40816

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Argo Blockchain plc

(Translation of registrant’s name into English)

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Eastcastle House

27/28 Eastcastle Street

London W1W 8DH

England

(Address of principal executive office)

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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.

Form 20-F ☒ Form 40-F ☐

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): ☐

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): ☐

EXHIBIT INDEX

Press Release

11 August 2025

Argo Blockchain plc

("Argo" or "the Company")

Directorate Change

Argo Blockchain plc (LSE: ARB; Nasdaq: ARBK)  announces Raghav Chopra has resigned from his position as Director of the Company with effect from 6 August 2025. The Board wishes to thank Mr. Chopra for his service and contribution to the Company during his tenure and wishes him well in his future endeavours.

This announcement contains inside information.

For further information please contact:

About Argo:

Argo Blockchain plc is a dual-listed (LSE: ARB; NASDAQ: ARBK) blockchain technology company focused on large-scale cryptocurrency mining. With a mining facility in Quebec and offices in the US, Canada, and the UK, Argo's global, sustainable operations are predominantly powered by renewable energy. In 2021, Argo became the first climate positive cryptocurrency mining company, and a signatory to the Crypto Climate Accord. For more information, visit www.argoblockchain.com.

SIGNATURES

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.