secwatch.observer — SEC 8-K summary ====================================== Issuer: Trilogy Metals Inc. (TMQ) CIK: 0001543418 Form: 8-K Filed at: 2026-09-21T12:32:05+00:00 Accession: 0001279569-26-000898 Event type: regulatory Sentiment: positive Materiality: 0.65 Item codes: 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 USACE publishes Notice of Intent to prepare EIS for Trilogy's Arctic Project ---------------------------------------------------------------------------- - US Army Corps of Engineers published NOI on Sept 21, 2026, formally commencing NEPA review and public scoping. - Arctic Project is high-grade copper-zinc-lead-gold-silver deposit in Alaska's Ambler Mining District, advanced by Ambler Metals LLC. - Ambler Metals is Trilogy Metals' 50/50 JV with South32 (ASX/LSE/JSE: S32; ADR: SOUHY). - Targets draft EIS in October 2027 and Record of Decision in September 2028, completing overall permitting by November 2028. - USACE received Clean Water Act Section 404 permit application on April 20, 2026; FAST-41 schedule aims to speed review. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1543418/000127956926000898/0001279569-26-000898-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1543418/000127956926000898/form8k.htm HTML page: https://secwatch.observer/filing/0001279569-26-000898 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer