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Guardian Metal (NYSE: GMTL) inks tungsten partnership to advance U.S. defense-focused pilot program

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

Rhea-AI Filing Summary

Guardian Metal Resources has signed a strategic partnership with the Montana Mining Association, working alongside Montana Technological University and the Army Research Laboratory, to run a U.S.-based tungsten mining and recovery pilot program focused on defense applications.

The company will supply approximately 250–400 tonnes of stockpiled legacy ore from its Tempiute Tungsten project in Nevada, to be transported to Philipsburg, Montana, for trial processing, with first shipments expected by late summer 2026, subject to ongoing metallurgical and pilot-scale test work. The program aims to upscale domestic tungsten-rich tailings and legacy ore into tungsten metal powder, supporting a fully domestic mine‑to‑market supply chain and reinforcing Guardian Metal’s strategy around its Tempiute and Pilot Mountain projects.

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Insights

Guardian Metal advances a U.S.-focused tungsten pilot supply chain with defense alignment.

Guardian Metal is using legacy ore from its Tempiute project in Nevada in a pilot program with the Montana Mining Association, Montana Technological University, and the Army Research Laboratory. The ore, about 250–400 tonnes, will be trial processed in Montana.

The focus on tungsten metal powder for defense-relevant applications links the projects directly to U.S. strategic supply priorities. Prior U.S. Department of War funding under the Defense Production Act for Pilot Mountain underlines this policy context, though the pilot’s commercial scale is not specified.

If metallurgical and pilot-scale test work supports successful processing, further shipments from Tempiute could follow, potentially helping demonstrate economic pathways toward domestic production. Subsequent company disclosures will clarify scale, costs, and progression from pilot toward any commercial operation.

Legacy ore for pilot 250–400 tonnes Initial stockpiled Tempiute ore to be shipped for trial processing
Distance from Las Vegas 150 miles Tempiute Tungsten project location northeast of Las Vegas, Nevada
DoW investment US$6 Investment in July 2025 under Defense Production Act Title III for Pilot Mountain PFS
First shipment timing Late summer 2026 Expected initial shipments of legacy ore, subject to completion of test work
Listing date March 20, 2026 Completion of Guardian Metal’s U.S. listing on NYSE American
Discovery year 1916 Original discovery of the Tempiute (Emerson Tungsten Mine) deposit
strategic partnership financial
"has entered into a strategic partnership (the "Partnership") with the Montana Mining Association"
An agreement between two or more independent companies to work together on specific goals—such as developing products, entering new markets, or sharing technology—while each company keeps its own identity. For investors, a strategic partnership can be like neighboring shops pooling resources to attract more customers: it can speed growth, lower costs or risks, and change a company’s future revenue or competitive position, so announcements often affect stock expectations.
pilot program financial
"to collaborate on a tungsten mining and recovery pilot program supporting domestic defense applications"
A pilot program is a small-scale trial of a new idea or approach to test its effectiveness before wider implementation. Think of it as a test run that helps organizations see how well something works in real life, reducing the risk of larger-scale failures. For investors, it provides insight into the potential success of a new initiative before committing significant resources.
Defense Production Act regulatory
"under Title III of the Defense Production Act of 1950, as amended, invested US$6"
A U.S. law that lets the federal government prioritize, allocate, and financially support the production and supply of goods and services needed for national defense or major emergencies. For investors, it can quickly change a company’s sales outlook and production plans by directing contracts, speeding approvals, or providing subsidies—like a city mayor telling factories which products to make during a crisis—so affected companies may see rapid revenue or cost shifts.
tungsten metal powder technical
"toward commercial production of tungsten metal powder for defense-relevant applications within the U.S."
forward-looking statements regulatory
"This announcement contains forward-looking statements relating to expected or anticipated future events"
Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.
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FAQ

What strategic partnership did GMTL’s Guardian Metal Resources announce on its Form 6-K?

Guardian Metal announced a strategic partnership with the Montana Mining Association, working with Montana Technological University and the Army Research Laboratory to run a tungsten mining and recovery pilot program focused on domestic U.S. defense applications using ore from its Tempiute project.

How much tungsten ore will Guardian Metal (GMTL) supply under the new pilot program?

Guardian Metal plans to supply about 250–400 tonnes of stockpiled legacy ore from its Tempiute Tungsten project. This material will be shipped to Philipsburg, Montana, for trial processing as part of the pilot program targeting defense-related tungsten metal powder production in the United States.

When are first shipments from Guardian Metal’s Tempiute project expected to begin?

First shipments of legacy ore from Tempiute are expected by late summer 2026. This timing is conditional on completion of metallurgical test work at partner laboratories in the U.S. and U.K., and pilot-scale test work at the Montana processing facility involved in the program.

How does the tungsten partnership support Guardian Metal Resources’ broader strategy?

The partnership supports Guardian Metal’s strategy of advancing its Tempiute and Pilot Mountain projects toward a fully domestic mine-to-market tungsten supply chain. It aligns the company’s Nevada-based assets with U.S. efforts to reshore critical defense metal production and reduce reliance on foreign tungsten supply chains.

What prior U.S. government support has Guardian Metal (GMTL) received for its tungsten projects?

In July 2025, the U.S. Department of War, under Title III of the Defense Production Act of 1950, invested US$6 in Golden Metal Resources (USA) LLC, Guardian Metal’s wholly owned subsidiary. This funding was provided to support the Pilot Mountain pre-feasibility study, reinforcing its status as a strategic tungsten asset.

Where are Guardian Metal Resources’ key tungsten projects located and why are they important?

Guardian Metal’s co‑flagship tungsten projects, Pilot Mountain and Tempiute, are located in Nevada, a highly rated U.S. mining jurisdiction. Pilot Mountain is described as one of the largest undeveloped U.S. tungsten deposits, while Tempiute is a significant past producer, making both central to potential domestic tungsten supply revival.
 
 
 
 
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 OF THE SECURITIES EXCHANGE ACT OF 1934
 
 
08 July, 2026
Commission File Number 001-43199
 
 
Guardian Metal Resources PLC
c/o Orana Corporate LLP
25 Eccleston Place
London SW1W 9NF
United Kingdom
(Address of principal executive offices)
 
 
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): ____
 
 
 
 
Guardian Metal Resources PLC
 
On 08 July, 2026, Guardian Metal Resources PLC issued a press release titled "Tungsten Mining & Processing Strategic Partnership".
 
A copy of the press release is attached hereto as Exhibit 99.1.
 
 
 
SIGNATURE
 
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on behalf by the undersigned, thereunto duly authorized.
 
 
Guardian Metal Resources PLC
(Registrant)
 
 
 
 
Date: 08 July, 2026
 
By: /s/ Oliver Friesen
 
 
 
Name: Oliver Friesen
 
 
 
Title: Chief Executive Officer
 
 
 
 
Exhibit Index
 
Exhibit
Description of Exhibit
99.1
Tungsten Mining & Processing Strategic Partnership dated 08 July, 2026.
 
 
 
8 July 2026
 
Guardian Metal Resources plc
 
('Guardian Metal' or the 'Company')
 
Strategic Partnership Signed to Advance Domestic Tungsten Mining and Processing for U.S. Defense Applications
 
 
 
Guardian Metal Resources plc (NYSE.A: GMTL, LON: GMET, OTCQB: GMTLF), a strategic exploration company focused on tungsten in Nevada, USA, is pleased to announce that it has entered into a strategic partnership (the "Partnership") with the Montana Mining Association ("MMA") to collaborate on a tungsten mining and recovery pilot program supporting domestic defense applications. The Partnership is also being advanced in conjunction with Montana Technological University ("MTU") and the Army Research Laboratory ("ARL").
 
As part of the Partnership, Guardian Metal will supply stockpiled legacy ore from its Tempiute Tungsten project ("Tempiute" or the "Project"), located near Rachel, Nevada, approximately 150 miles northeast of Las Vegas. Tempiute, formerly known as the Emerson Tungsten Mine, is a significant past producing tungsten mine, which was originally discovered in 1916 and most recently operated during the 1980s. 
 
As a critical defense metal, tungsten has been formally designated a strategic priority by the U.S. government. Guardian Metal's mission is to advance its co-flagship projects, Tempiute and Pilot Mountain, as a cornerstone of U.S. tungsten supply, directly supporting national efforts to reshore production. This strategy is expected to reduce reliance on foreign supply chains, strengthen economic and defense security, and deliver long-term value for shareholders.
 
 
KEY HIGHLIGHTS
 
 
● 
Guardian Metal has entered into the Partnership to advance an entirely U.S.-based tungsten mining and recovery pilot program to support domestic defense applications.
 
Tempiute selected as a U.S. feedstock source, with an initial ~250-400 tonnes of stockpiled legacy ore to be transported from Tempiute to Philipsburg, Montana, for trial processing at the partner milling and processing facility.
 
First shipments of legacy ore are expected by late summer 2026, subject to completion of metallurgical test work currently underway at partner laboratories in both the U.S. and U.K., and pilot-scale test work to be completed on-site in Montana.
 
The program is focused on upscaling domestic tungsten-rich sources of historical mine tailings and legacy ore stockpiles to evaluate pathways toward commercial production of tungsten metal powder for defense-relevant applications within the U.S.
 
The Partnership further validates Guardian Metal's strategy of advancing its co-flagship tungsten assets, Tempiute and Pilot Mountain, towards a fully domestic mine-to-market tungsten supply chain.
 
If the initial program is successful, further shipments of tungsten-rich material from Tempiute could be supplied as part of an expanded program.
 
 
 
Matt Vincent, Executive Director of MMA, commented: 
 
"We are excited to work with Guardian Metal on this Partnership, which we feel is incredibly important to the industry and our nation's security. Guardian Metal's Tempiute material represents what we believe will prove to be an important domestic source of tungsten for this Partnership, as well as a demonstration of our Association's ability to effectively establish a broader network of critical minerals projects across the Mountain West."
 
Oliver Friesen, CEO of Guardian Metal Resources, commented: 
 
"We are delighted to enter into this Partnership with MMA, ARL, and MTU to advance this strategically important pilot program. The selection of Tempiute as a feedstock source is a strong endorsement of the strategic significance of Guardian Metal's entirely Nevada-based tungsten project portfolio.
 
"At a time when tungsten supply security has never been more critical to U.S. defense and industrial capability, this initiative represents a tangible step toward building an entirely domestic supply chain, free from reliance on foreign sources."
 
Forward Looking Statements
 
This announcement contains forward-looking statements relating to expected or anticipated future events and anticipated results that are forward-looking in nature, and, as a result, are subject to certain risks and uncertainties, including general economic, market and business conditions, competition for qualified staff, the regulatory process and actions, technical issues, new legislation, potential delays or changes in plans, uncertainties resulting from operating in a new political jurisdiction, uncertainties regarding the results of exploration, the timing and granting of prospecting rights, the timing and granting of regulatory and other third party consents and approvals, Guardian Metal's or any third party's ability to execute and implement future plans, and the occurrence of unexpected events.
 
Forward-looking statements are subject to risks and uncertainties, including those described in the Company's filings with the U.S. Securities and Exchange Commission. Guardian Metal undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as may be required by law.
 
This announcement does not purport to be full or complete. No reliance may or should be placed by any person for any purpose on the information contained in this announcement or its accuracy, fairness or completeness. The information in this announcement is subject to change.
 
For further information visit www.Guardianmetalresources.com or contact the following:
 
Guardian Metal Resources plc
Oliver Friesen (CEO)
 
Tel: +44 (0) 20 7583 8304
 
Cairn Financial Advisers LLP
Nominated Adviser
Sandy Jamieson/Jo Turner/Louise O'Driscoll
 
Tel: +44 (0) 20 7213 0880
 
Berenberg
Joint Broker and Financial Adviser
Jennifer Lee/Ivan Briechle
 
Tel: +44 (0) 20 3207 7800
 
Tamesis Partners LLP
Joint Broker
Charlie Bendon/Richard Greenfield
 
Tel: +44 (0) 20 3882 2868
 
Tavistock
 
Financial PR in the UK
 
Emily Moss/Josephine Clerkin
Tel: +44 (0) 7920 3150 /
+44 (0) 7788 554035
guardianmetal@tavistock.co.uk
 
Edelman Smithfield
 
Financial PR in the US
 
guardianmetal@edelmansmithfield.com
 
 
About Guardian Metal Resources 
 
Guardian Metal Resources PLC (NYSE.A: GMTL, LON:GMET, OTCQB:GMTLF) is a strategic mineral exploration company driving the revival of U.S. mined tungsten production and strengthening America's defense metal independence. The Company is advancing two co-flagship tungsten projects, Pilot Mountain, one of the largest undeveloped tungsten deposits in the U.S. and Tempiute, formerly America's largest producing tungsten operation, both located in Nevada, one of the top-rated mining jurisdictions in the United States.
 
In July 2025, the U.S. Department of War (DoW) under Title III of the Defense Production Act of 1950, as amended, invested US$6.2M in Golden Metal Resources (USA) LLC, a wholly-owned subsidiary of Guardian Metal Resources PLC, to support the Pilot Mountain PFS. The Company completed a U.S. listing on the NYSE American on March 20, 2026. 
 
Tungsten is a strategic metal critical to the defense, energy transition, technology, and industrial sectors. In the context of shifting geopolitical dynamics and tightening Chinese export restrictions, Guardian Metal is well positioned to play a leading role in re-establishing a secure, domestically mined U.S. supply chain for this vital defense metal.