{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-104947","form_type":"8-K","ticker":"MSB","cik":"0000065172","company_name":"MESABI TRUST","filed_at":"2025-10-31T23:59:59+00:00","discovered_at":"2026-05-14T18:02:41.906031+00:00","generated_at":"2026-05-17T01:10:36.889010+00:00","sec_items":["2.02","7.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Mesabi Trust receives $4.0M Q3 royalty payment; shipments up 1.6% YoY","bullets":["Total royalty payment of $4,005,142 received Oct 30, 2025, comprising base royalty $2,817,500 and bonus $973,410.","Credited with 987,370 tons shipped in Q3 2025, up from 972,154 tons in Q3 2024 (+1.6%).","Three sale transactions to a single third-party in September 2025 subject to continued due diligence review.","Royalty payment excludes adjustments from prior quarters; prices remain subject to change."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-104947","json":"https://secwatch.observer/filing/0001104659-25-104947.json","markdown":"https://secwatch.observer/filing/0001104659-25-104947.md","text":"https://secwatch.observer/filing/0001104659-25-104947.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/65172/000110465925104947/0001104659-25-104947-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/65172/000110465925104947/msb-20251030x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T01:10:36.889010+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"}