---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-23-000744"
form_type: "8-K"
ticker: "MSB"
cik: "0000065172"
company_name: "MESABI TRUST"
filed_at: "2023-02-01T23:59:59+00:00"
generated_at: "2026-06-20T04:18:32.228195+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Mesabi Trust receives $0 royalty for Q4 2022; Northshore idling continues; shipments negative

## Summary
- No royalty paid on Jan 30, 2023; base and bonus royalties both $0.
- Negative survey adjustment of $789,080 lowered prior-quarter estimates.
- Northshore credited Mesabi Trust with negative 54,026 tons shipped in Q4 2022 vs. 1,085,427 tons in Q4 2021.
- Idling extended until at least April 2023 per Cleveland-Cliffs announcement.
- Future royalties and distributions to unitholders remain uncertain due to continued idling.

## SEC filing metadata
- accession: 0001558370-23-000744
- form_type: 8-K
- ticker: MSB
- cik: 0000065172
- company_name: MESABI TRUST
- filed_at: 2023-02-01T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/65172/000155837023000744/0001558370-23-000744-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/65172/000155837023000744/msb-20230130x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-23-000744
- JSON: https://secwatch.observer/filing/0001558370-23-000744.json
- Plain text: https://secwatch.observer/filing/0001558370-23-000744.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.