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Home/The Filing Wire/Trilogy Metals Inc/ 8-K

Current Report · Items 7.01, 9.01 · 8-K

Trilogy Metals Inc

Regulation FD Disclosure

Item 7.01 Regulation FD Disclosure On September 21, 2026, Trilogy Metals Inc. (or the “Company”) issued a press release announcing that the U.S. Army Corps of Engineers has published a Notice of Intent to prepare an Environmental Impact Statement for the Company’s flagship Arctic Project in northwestern Alaska’s Ambler Mining District. The press release is attached hereto as Exhibit 99.1.…

Filed Sep 21, 2026Accepted Sep 21, 2026, 8:32 AM EDTCIK 1543418Accession 0001279569-26-000898
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Company context

Trilogy Metals Inc. is a metal exploration and development company holding a 50 percent interest in Ambler Metals LLC, which has a 100 percent interest in the Upper Kobuk Mineral Projects ("UKMP") in northwestern Alaska. On December 19, 2019, South32 Limited, a globally diversified mining and metals company, exercised its option to form a 50/50 joint venture with Trilogy Metals. The UKMP is located within the Ambler Mining District which is one of the richest and most prospective known copper-dominant districts in the world. It hosts polymetallic volcanogenic massive sulfide ("VMS") deposits that contain copper, zinc, lead, gold and silver, and carbonate replacement deposits which have been found to host high-grade copper and cobalt mineralization. Exploration efforts have been focused on two deposits in the Ambler Mining District - the Arctic VMS deposit and the Bornite carbonate replacement deposit. Both deposits are located within a land package that spans approximately 190,929 hectares. Ambler Metals has an agreement with NANA Regional Corporation, Inc., an Alaska Native Corporation, that provides a framework for the exploration and potential development of the Ambler Mining District in cooperation with local communities. Trilogy Metals' vision is to develop the Ambler Mining District into a premier North American copper producer while protecting and respecting subsistence livelihoods.

Current securities

TMQNYSE_AMERICAN · EQUITY · CurrentTMQTSX · EQUITY · Current

Recent company filings

  1. Entry into a Material Definitive Agreement · Unregistered Sales of Equity Securities · Regulation FD Disclosure · Other EventsSep 14, 2026
  2. Regulation FD DisclosureSep 10, 2026
  3. 4 filingSep 1, 2026
  4. SCHEDULE 13G/A filingSep 1, 2026
  5. Entry into a Material Definitive Agreement · Unregistered Sales of Equity Securities · Regulation FD Disclosure · Other EventsAug 31, 2026

Registered securities in this filing

Trilogy Metals Inc. · 8-K · Filed 2026-09-21

As filed in this accession. Current/historical status below comes from the governed listing record; the cover itself remains exact to this filing.

Common Shares

Symbol
TMQ
Exchange
NYSEAMER
Classification
COMMON
Filing context

Context: AsOf2026-09-21

Dimensions: Not supplied

Accession 000127956926000898 · 1 registered-security cover member

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Disclosure sections

Items 7.01, 9.01

Select an item to read the extracted section. The as-filed document remains the primary evidence.

Item 7.01Item 7.01 - Regulation FD Disclosure
Item 7.01 Regulation FD Disclosure On September 21, 2026, Trilogy Metals Inc. (or the “Company”) issued a press release announcing that the U.S. Army Corps of Engineers has published a Notice of Intent to prepare an Environmental Impact Statement for the Company’s flagship Arctic Project in northwestern Alaska’s Ambler Mining District. The press release is attached hereto as Exhibit 99.1. The information contained in the press release attached hereto is being furnished and shall not be deemed filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.
Filed exhibits (1)
EX-99.1 (by filename) ex991.htm

Exhibit 99.1 Trilogy Metals Announces Publication of Notice of Intent by U.S. Army Corps of Engineers for Alaska's High-Grade Arctic Copper-Zinc-Lead-Gold-Silver Project VANCOUVER, BC, Sept. 21, 2026 /CNW/ -- Trilogy Metals Inc. (NYSE American: TMQ) (TSX: TMQ) ("Trilogy Metals", "Trilogy" or the "Company") announced today that the U.S. Army Corps of Engineers ("USACE") has published a Notice of Intent ("NOI") to prepare an Environmental Impact Statement ("EIS") for the Company's flagship Arctic Project in northwestern Alaska's Ambler Mining District. Publication of the NOI formally initiates the environmental review of the project under the National Environmental Policy Act ("NEPA") and launches the public scoping phase. The high-grade Arctic Copper-Zinc-Lead-Gold-Silver Project is being advanced by Ambler Metals LLC ("Ambler Metals"), Trilogy's 50/50 joint venture with South32 Limited (ASX, LSE, JSE: S32; ADR: SOUHY). Highlights U.S. Army Corps of Engineers Publishes Notice of Intent to Prepare an Environmental Impact Statement, Formally Commencing the NEPA Review for the Arctic Project Publication of the NOI Launches the Public Scoping Phase and Marks a Major Milestone on th…

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