---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-22-006837"
form_type: "8-K"
ticker: "MSB"
cik: "0000065172"
company_name: "MESABI TRUST"
filed_at: "2022-05-03T23:59:59+00:00"
generated_at: "2026-06-26T01:42:32.516888+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Mesabi Trust gets Q1 royalty $13.5M; Northshore idling starts May 1 for ~4 months

## Summary
- Total royalty payments received from Cliffs on April 29 were $13,542,442 for Q1 2022 (base $6,032,086 + bonus $7,055,223).
- Iron ore shipments credited to Trust: 1,069,456 tons in Q1 2022 vs 919,457 tons in Q1 2021 (+16%).
- Northshore Mining idling commenced May 1 at Babbitt and Silver Bay; expected to last ~4 months until at least fall 2022.
- Royalty payments based on estimated prices subject to adjustments; negative pricing changes could reduce future distributions.

## SEC filing metadata
- accession: 0001558370-22-006837
- form_type: 8-K
- ticker: MSB
- cik: 0000065172
- company_name: MESABI TRUST
- filed_at: 2022-05-03T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/65172/000155837022006837/0001558370-22-006837-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/65172/000155837022006837/msb-20220429x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-22-006837
- JSON: https://secwatch.observer/filing/0001558370-22-006837.json
- Plain text: https://secwatch.observer/filing/0001558370-22-006837.txt

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