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
21 May, 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.
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Form 20-F ☒
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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): ___
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 21
May, 2026, Guardian Metal Resources PLC issued a press release
titled “Dr. Mark Thorpe appointed to the
Board.”
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)
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Date:
21 May, 2026
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By: /s/
Oliver Friesen
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Name:
Oliver Friesen
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Title:
Chief Executive Officer
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Exhibit Index
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Exhibit
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Description of Exhibit
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99.1
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Dr. Mark Thorpe appointed to the Board dated 21 May,
2026.
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21
May 2026
Guardian Metal Resources plc
('Guardian Metal' or the 'Company')
Dr. Mark Thorpe appointed to the Board
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 Dr.
Mark Thorpe is to be appointed to the Board as an Independent
Non-Executive Director, subject to completion of the required AIM
due diligence process.
Dr. Thorpe brings to Guardian Metal decades of experience as a
senior mining executive. He is a sustainability specialist with
more than 30 years of experience working for major mining
companies, focussed on environmental, permitting and community
engagement initiatives, across the global mining sector. His
experience covers the entire mine life cycle from greenfield
exploration through to mine closure and post-closure management,
which makes him well qualified to support Guardian Metal as it
advances its Nevada-based tungsten projects through key development
phases and into production. He holds a Ph.D. in mine land
rehabilitation from the University of Saskatchewan and was the
Chair of the Board of Directors of the Canada Mining Innovation
Council.
Dr. Thorpe is replacing Mr. Mark Burnett, who steps down from his
role as Non-Executive Director on 21 May 2026. The Board would like
to thank Mark Burnett for his significant contribution as an
original director of Guardian Metal and for helping to build the
Company from a small private company into a notable dual-listed
business in London and New York over the past five years. He steps
down to focus on other business interests.
J.T. Starzecki, Executive Chairman of Guardian Metal,
commented:
"Dr. Mark Thorpe's appointment to the Board as Independent
Non-Executive Director is an exciting and important step in
Guardian Metal's evolution as we look to reshore U.S. mined
tungsten supply for the first time in over a decade. Mark is widely
recognised as a leader in his field, setting best practice industry
standards for global mining companies in responsible mining,
environmental, permitting and stakeholder relations. We are
delighted to appoint someone of his calibre and welcome his
leadership and expertise as we approach important development
milestones to deliver on our strategy of establishing our tungsten
projects as cornerstones of U.S. tungsten supply.
"I would like to thank Mark Burnett for his dedicated service and
the significant contribution he has made to the Board of Directors
and Guardian Metal over the last five years. He is leaving the
Company with our best wishes for the future."
A further announcement, including regulatory disclosures, will be
made in due course.
For further information visit www.Guardianmetalresources.com or
contact the following:
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Guardian Metal Resources plc
Oliver
Friesen (CEO)
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Tel: +44
(0) 20 7583 8304
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Cairn Financial Advisers LLP
Nominated Adviser
Sandy
Jamieson/Jo Turner/Louise O'Driscoll
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Tel:
+44 (0) 20 7213 0880
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Berenberg
Joint Broker and Financial Adviser
Jennifer
Lee/Ivan Briechle
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Tel: +44
(0) 20 3207 7800
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Tamesis Partners LLP
Joint Broker
Charlie
Bendon/Richard Greenfield
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Tel:
+44 (0) 20 3882 2868
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Tavistock
Financial PR
Emily Moss/Josephine Clerkin
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Tel:
+44 (0) 7920 3150 /
+44
(0) 7788 554035
guardianmetal@tavistock.co.uk
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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 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
U.S. $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.