{"schema_version":"secwatch.filing_event.v1","accession":"0001558370-22-001076","form_type":"8-K","ticker":"MSB","cik":"0000065172","company_name":"MESABI TRUST","filed_at":"2022-02-14T23:59:59+00:00","discovered_at":"2026-05-14T18:04:09.430704+00:00","generated_at":"2026-06-27T08:36:37.490847+00:00","sec_items":["7.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Cleveland-Cliffs idles Northshore mine Spring to Fall 2022; Mesabi Trust royalties at risk","bullets":["Cliffs to idle Northshore from Spring through at least Fall 2022; no production, shipments, or royalty payments during idling.","CEO cited increased scrap usage and 'ridiculous royalty structure' with Mesabi Trust as reasons for the idle.","Minimum advance royalty (~$977k for 2021) remains payable regardless of production; quarterly payments still required.","Cliffs also limiting third-party pellet sales; idle could extend beyond Fall.","Any royalty structure change requires approval of 66 2/3% of trust certificate holders."],"urls":{"canonical":"https://secwatch.observer/filing/0001558370-22-001076","json":"https://secwatch.observer/filing/0001558370-22-001076.json","markdown":"https://secwatch.observer/filing/0001558370-22-001076.md","text":"https://secwatch.observer/filing/0001558370-22-001076.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/65172/000155837022001076/0001558370-22-001076-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/65172/000155837022001076/msb-20220214x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-27T08:36:37.490847+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}