{"schema_version":"secwatch.filing_event.v1","accession":"0001558370-23-000230","form_type":"8-K","ticker":"MSB","cik":"0000065172","company_name":"MESABI TRUST","filed_at":"2023-01-12T23:59:59+00:00","discovered_at":"2026-05-14T18:03:47.771239+00:00","generated_at":"2026-06-20T16:16:08.252413+00:00","sec_items":["2.02","7.01","9.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Mesabi Trust declares no distribution for Jan 2023; Northshore idling extended to Apr 2023","bullets":["No distribution declared this January 2023 vs $1.75/unit same period last year.","Idling of Northshore operations extended to at least April 2023 by Cliffs.","Trust initiated arbitration against Northshore and Cliffs for underpayment of royalties in 2020-2022.","Arbitration seeks damages and declaratory relief related to royalty calculation.","Trust maintains reserves due to uncertainties; no specific updates on restart."],"urls":{"canonical":"https://secwatch.observer/filing/0001558370-23-000230","json":"https://secwatch.observer/filing/0001558370-23-000230.json","markdown":"https://secwatch.observer/filing/0001558370-23-000230.md","text":"https://secwatch.observer/filing/0001558370-23-000230.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/65172/000155837023000230/0001558370-23-000230-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/65172/000155837023000230/msb-20230112x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-20T16:16:08.252413+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"}