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[SCHEDULE 13D/A] NORTHERN DYNASTY MINERALS LTD SEC Filing

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Form Type
SCHEDULE 13D/A

Rhea-AI Filing Summary

Kopernik Global Investors filed an amended Schedule 13D reporting beneficial ownership of 74,575,588 Northern Dynasty Minerals (NAK) common shares, representing 12.7% of the class on a partially diluted basis. The calculation uses 587,969,449 shares (551,804,141 outstanding as of November 12, 2025 plus 36,165,308 issuable upon conversion of notes).

The position includes the right to acquire 36,165,308 shares via $15,000,000 Convertible Notes bearing 2.0% interest, due in 10 years, convertible at $0.3557 per share, with change‑of‑control and financing redemption provisions. Kopernik reports shared voting power over 69,903,910 shares and shared dispositive power over 74,575,588 shares.

Kopernik acquired 38,410,000 shares for approximately $26,209,221, and states an investment purpose while reserving flexibility to buy or sell shares or notes and engage with the board. No transactions in the past 60 days were reported.

Positive

  • None.

Negative

  • None.





If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).






SCHEDULE 13D




Comment for Type of Reporting Person:
"Shared Dispositive Power" and "Aggregate amount beneficially owned by each reporting person" includes 36,165,308 Common Shares that Kopernik Global Investors, LLC has the right to acquire pursuant to the Convertible Notes (defined below). "Percentage of class represented by amount in Row (11)" is based on 587,969,449 Common Shares issued and outstanding, on a partially diluted basis, which is the sum of (i) 551,804,141 Common Shares outstanding as set forth on the Toronto Stock Exchange under the symbol "NDM" as of November 12, 2025 and (ii) 36,165,308 Common Shares issuable upon the conversion of the Convertible Notes.


SCHEDULE 13D




Comment for Type of Reporting Person:
"Shared Dispositive Power" and "Aggregate amount beneficially owned by each reporting person" includes 36,165,308 Common Shares that Kopernik Global Investors, LLC has the right to acquire pursuant to the Convertible Notes. "Percentage of class represented by amount in Row (11)" is based on 587,969,449 Common Shares issued and outstanding, on a partially diluted basis, which is the sum of (i) 551,804,141 Common Shares outstanding as set forth on the Toronto Stock Exchange under the symbol "NDM" as of November 12, 2025 and (ii) 36,165,308 Common Shares issuable upon the conversion of the Convertible Notes.


SCHEDULE 13D


Kopernik Global Investors, LLC
Signature:/s/ Sarah L. Bertrand
Name/Title:Sarah L. Bertrand, General Counsel and Chief Compliance Officer
Date:11/13/2025
IBEN DAVID B
Signature:/s/ Sarah L. Bertrand
Name/Title:Sarah L. Bertrand, power of attorney for David B. Iben
Date:11/13/2025

FAQ

What stake in NAK did Kopernik disclose in this Schedule 13D/A?

Kopernik reported beneficial ownership of 74,575,588 shares, or 12.7% of the class on a partially diluted basis.

How was the 12.7% ownership percentage for NAK calculated?

It is based on 587,969,449 shares: 551,804,141 outstanding as of November 12, 2025 plus 36,165,308 issuable upon conversion of the notes.

What are the key terms of Kopernik’s convertible notes in NAK?

Aggregate principal $15,000,000, interest 2.0% per annum, 10‑year term from December 18, 2023, convertible at $0.3557 per share, with specified change‑of‑control and financing provisions.

What voting and dispositive powers did Kopernik report over NAK shares?

Shared voting power over 69,903,910 shares and shared dispositive power over 74,575,588 shares.

How many NAK shares did Kopernik purchase outright and for how much?

Kopernik acquired 38,410,000 shares for approximately $26,209,221, including brokerage commissions.

Did Kopernik report recent trading in NAK shares?

No. The filing states no transactions in the Common Shares in the past 60 days.

What intentions did Kopernik state regarding its NAK investment?

Kopernik cited investment purposes and may buy or sell shares or notes and engage with management and the Board.
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