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Argo Blockchain CEO Justin Nolan exits, gets $250K

Argo Blockchain’s CEO and Executive Director has departed, triggering a $250,000 separation agreement and an active search for a new chief executive.

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
6-K

Rhea-AI Filing Summary

Argo Blockchain plc (ARBK) reported that Justin Nolan ceased to serve as Chief Executive Officer and Executive Director, effective August 30, 2026.

Argo Operating US LLC entered into a separation agreement with Mr. Nolan providing for a $250,000 gross cash separation payment, subject to withholdings and a seven-day revocation period. The agreement includes mutual releases and expressly states no admission of liability or wrongdoing by any party. The Board has begun a search for a new CEO and, during the interim, the existing management team will manage day-to-day operations under Board supervision while leadership arrangements are evaluated.

Positive

  • None.

Negative

  • CEO and Executive Director departure: Justin Nolan ceased serving as Chief Executive Officer and Executive Director effective August 30, 2026, creating a leadership transition period while the Board searches for a permanent replacement.

Filing Explained

The $250,000 gross separation payment and mutual releases are subject to the agreement becoming effective and irrevocable only after the applicable seven-day revocation period expires without exercise, so the filing places those terms in a pending effectiveness state.

Separation payment $250,000 Gross cash separation payment to former CEO Justin Nolan under separation agreement
CEO departure effective date August 30, 2026 Date Justin Nolan ceased to serve as Chief Executive Officer and Executive Director
Revocation period 7 days Period after which the separation agreement becomes effective and irrevocable if revocation right is not exercised
Announcement date September 3, 2026 Date of the press release announcing the CEO departure
separation agreement financial
"entered into a separation agreement providing for a gross cash separation payment"
A separation agreement is a written contract that spells out the financial and legal terms when an employee and a company part ways, such as final pay, severance, continued benefits, confidentiality, and any release of claims. For investors, it matters because these agreements determine immediate costs, potential future liabilities, and whether departing staff are restricted from competing or disclosing information—factors that can affect a company’s cash flow, risk profile, and leadership continuity.
mutual releases regulatory
"The separation payment and mutual releases are subject to the separation agreement"
A mutual release is a legal agreement in which two parties agree to give up any present or future claims against each other arising from a specified matter, effectively ending disputes and preventing new lawsuits on those issues. For investors, mutual releases matter because they remove or limit potential liabilities and uncertainty—like both sides agreeing to drop their complaints and walk away—which can affect a company’s legal exposure, financial reserves, and perceived risk.
revocation period regulatory
"following the expiration of the applicable seven-day revocation period"
no admission of liability or wrongdoing regulatory
"The separation agreement contains no admission of liability or wrongdoing by any party"
high-performance computing technical
"actively evaluating opportunities in high-performance computing and artificial-intelligence data"
A cluster of very powerful computers, special chips and fast networks designed to tackle huge, complex calculations far faster than a normal PC — like replacing a single delivery van with a synchronized fleet to move a city’s worth of packages. For investors, high-performance computing matters because it enables faster product development, more accurate simulations and data analysis, and new revenue streams for hardware, software and services, making firms that supply or use it potentially more competitive and scalable.

FAQ

What leadership change did Argo Blockchain plc (ARBK) announce in this Form 6-K?
Argo Blockchain plc announced that Justin Nolan ceased to serve as Chief Executive Officer and Executive Director of the company, effective August 30, 2026. The Board has begun a search for a permanent CEO and the existing management team is overseeing operations under Board supervision.

What separation payment will former CEO Justin Nolan receive from Argo Blockchain (ARBK)?
Under a separation agreement with Argo Operating US LLC, Justin Nolan is entitled to a $250,000 gross cash separation payment, less applicable withholdings and deductions. This payment is contingent on the agreement becoming effective and irrevocable after a seven-day revocation period expires without being exercised.

Are there any admissions of wrongdoing in Justin Nolan’s separation from Argo Blockchain (ARBK)?
No. The separation agreement between Justin Nolan and Argo Operating US LLC explicitly states that it contains no admission of liability or wrongdoing by any party. It provides for a cash separation payment and mutual releases, subject to the revocation period conditions.

Who is running Argo Blockchain (ARBK) while a new CEO is being searched for?
While the Board conducts a search for a permanent Chief Executive Officer, the existing management team is continuing to oversee day-to-day operations under the supervision of the Board, which is also evaluating the company’s leadership arrangements.

What kind of background is Argo Blockchain (ARBK) seeking in its next CEO?
The Board is focusing on candidates with a proven track record of leadership, operational execution and capital formation in AI infrastructure, data centers and related technology sectors, aligning with the company’s focus on digital infrastructure and high-performance computing opportunities.

What is Argo Blockchain plc’s (ARBK) core business focus after this leadership change?
Argo Blockchain plc remains a blockchain technology company focused on large-scale cryptocurrency mining and related digital infrastructure, with operations in North America predominantly powered by renewable energy, and is actively evaluating opportunities in high-performance computing and artificial-intelligence data center infrastructure.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

 

FORM 6-K

 

 

REPORT OF FOREIGN PRIVATE ISSUER

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

UNDER THE SECURITIES EXCHANGE ACT OF 1934

 

For the month of September 2026

 

Commission File Number: 001-40816

 

 

Argo Blockchain plc

(Translation of registrant's name into English)

 

 

Eastcastle House

27/28 Eastcastle Street

London W1W 8DH

England

(Address of principal executive office)

 

 

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 x  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

 

Exhibit No. Description
1 CEO Departure dated September 3, 2026

 

 

 

 

Press Release

 

September 3, 2026

 

Argo Blockchain plc

"Argo" or "the Company"

 

CEO Departure

 

Argo Blockchain plc (NASDAQ: ARBK) announces that Justin Nolan ceased to serve as Chief Executive Officer and Executive Director of the Company, effective August 30, 2026.

 

In connection with his departure, Mr. Nolan and Argo Operating US LLC, his employing entity, entered into a separation agreement providing for a gross cash separation payment of $250,000, less applicable withholdings and deductions. The separation payment and mutual releases are subject to the separation agreement becoming effective and irrevocable following the expiration of the applicable seven-day revocation period without exercise of the revocation right. The separation agreement contains no admission of liability or wrongdoing by any party.

 

The Board has commenced a search for a permanent Chief Executive Officer and will focus on candidates with a proven track record of leadership, operational execution and capital formation in AI infrastructure, data centers and related technology sectors.

 

In the interim, the Company’s existing management team will continue to oversee day-to-day operations under the supervision of the Board while the Board evaluates the Company’s leadership arrangements.

 

About Argo

 

Argo Blockchain plc (NASDAQ: ARBK) is a blockchain technology company focused on large-scale cryptocurrency mining and related digital infrastructure, with operations in North America predominantly powered by renewable energy. The Company is actively evaluating opportunities in high-performance computing and artificial-intelligence data center infrastructure. For more information, visit www.argoblockchain.com.

 

Contacts:

 

Argo Blockchain plc

ir@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.

 

Date: September 3, 2026   ARGO BLOCKCHAIN PLC
     
  By: /s/ Maria Perrella 
  Name: Maria Perrella 
  Title: Chair

 

 

 

Source: View Original Filing on SEC EDGAR