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6-K 1 form6k.htm FORM 6-K Northern Dynasty Minerals Ltd.: Form 6-K - Filed by newsfilecorp.com

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 July 2025

Commission File No. 001-32210

NORTHERN DYNASTY MINERALS LTD.
(Translation of registrant's name into English)

14th Floor - 1040 West Georgia Street
Vancouver, British Columbia, V6E 4H1, Canada
(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  [  ]  Form 40-F [X]

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 99.1 is hereby incorporated by reference into the Company's registration statement on Form F-10, as amended (SEC File No. 333-288224) and related prospectus supplement filed July 15, 2025.

Exhibits

 

   

99.1

Material Change Report re Motion for Summary Judgement Filed in Federal District Court in Alaska



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:  July 21, 2025

  NORTHERN DYNASTY MINERALS LTD.
(Registrant)
 
  /s/ Trevor Thomas
  Trevor Thomas
Secretary and General Counsel


EX-99.1 2 exhibit99-1.htm EXHIBIT 99.1 Northern Dynasty Minerals Ltd.: Exhibit 99.1 - Filed by newsfilecorp.com

FORM 51-102F3

MATERIAL CHANGE REPORT

Item 1  Name and Address of Company

Northern Dynasty Minerals Ltd. (the "Company")
14th Floor - 1040 West Georgia Street
Vancouver, British Columbia
V6E 4H1

Item 2  Date of Material Change

July 17, 2025

Item 3  News Release

The news release with respect to the material changes referred to in this report was issued by the Company and distributed through the facilities of IssuerDirect/Acccesswire on July 17, 2025.  The news release was filed on SEDAR+ and is available at www.sedarplus.ca.

Item 4  Summary of Material Change

Pebble Limited Partnership ("PLP"), the Company's 100% owned U.S.-based subsidiary and the owner of the Company's Pebble Project, filed a motion in the United States Federal District Court in Alaska on July 17, 2025 seeking a summary judgment briefing schedule in its pending litigation against the United States Environment Protection Agency (the "EPA").

Item 5  Full Description of Material Change

5.1 Full Description of Material Change

PLP filed a motion in the United States Federal District Court (the "Court") in Alaska on July 17, 2025 seeking a summary judgment briefing schedule in its pending litigation against the EPA that seeks to vacate the EPA's final determination to veto the development of a mine at the Company's Pebble Project. The Pebble Project and the related litigation against the EPA and the United States Army Corps of Engineers ("USACE") is described in detail in the Company's annual information form for the year ended December 31, 2024, as filed on SEDAR+, and incorporated as an exhibit to the Company's annual report on Form 40-F for the year ended December 31, 2024, as filed with the United States Securities and Exchange Commission on EDGAR.

In February 2025, the Company announced that PLP had consented to a motion from the EPA and USACE to hold the litigation in abeyance for 90 days to allow for leadership of the two agencies under the new U.S. administration to decide how to proceed. PLP consented to a subsequent 30 day abeyance in May 2025 and a further 20 day abeyance in June 2025. The EPA and PLP agreed to a further abeyance of 14 days with a status report to follow on July 17, 2025.

The abeyance was designed to allow the EPA and the USACE to brief new agency leadership and determine if they wished to take a different position.  In the intervening six months, the parties conferred in good faith as new agency leadership was brought on and familiarized themselves with the case.  Discussions with the new agency leadership were productive but the parties were unable to reach a negotiated resolution by July 17, 2025. As a result, PLP has filed a motion asking the Court to set a briefing schedule for summary judgment motions in the proceedings against the EPA.  The Company and PLP plan to continue to work with the relevant government agencies to resolve the disputed issues. Meanwhile, the Company continues to assert its position that the veto imposed by the EPA is unlawful.


5.2 Disclosure for Restructuring Transactions

Not applicable.

Item 6  Reliance on subsection 7.1(2) of National Instrument 51-102

Not applicable.

Item 7  Omitted Information

Not applicable.

Item 8  Executive Officer

Ronald W. Thiessen
President & CEO
Tel: 604-684-6365

Item 9 Date of Report

July 21, 2025