{"schema_version":"secwatch.filing_event.v1","accession":"0001558370-24-006557","form_type":"8-K","ticker":"MSB","cik":"0000065172","company_name":"MESABI TRUST","filed_at":"2024-05-02T23:59:59+00:00","discovered_at":"2026-05-14T18:03:21.690491+00:00","generated_at":"2026-06-03T01:05:17.092380+00:00","sec_items":["2.02","7.01","8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Mesabi Trust receives $5.06M royalty on 1.0M tons shipped in Q1 2024 vs zero in Q1 2023","bullets":["Total royalty payment of $5,059,648 received on April 30, 2024 from Cleveland-Cliffs.","Q1 2024 shipments of 1,006,692 tons; Q1 2023 had zero shipments due to Northshore idling.","Base royalty: $2,106,086; bonus royalty: $2,520,601; plus $279,222 in prior-quarter adjustments.","Northshore partially restarted in April 2023; no updated 2024 shipment guidance from Cliffs."],"urls":{"canonical":"https://secwatch.observer/filing/0001558370-24-006557","json":"https://secwatch.observer/filing/0001558370-24-006557.json","markdown":"https://secwatch.observer/filing/0001558370-24-006557.md","text":"https://secwatch.observer/filing/0001558370-24-006557.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/65172/000155837024006557/0001558370-24-006557-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/65172/000155837024006557/msb-20240430x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-03T01:05:17.092380+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":[{"claim_id":"d7624a589ba8d5e55ed7a70aa0f31c3828b25100","claim":"MESABI TRUST reported financial results for quarter ended March 31, 2024.","evidence_excerpt":"On April 30, 2024, Mesabi Trust received the quarterly royalty report of iron ore shipments out of Silver Bay, Minnesota during the quarter ended March 31, 2024","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/65172/000155837024006557/0001558370-24-006557-index.htm","confidence":0.95,"family_label":"Earnings Releases","details":[{"label":"Period","value":"quarter ended March 31, 2024"},{"label":"Result","value":"reported results"}]}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}