---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-21-010007"
form_type: "8-K"
ticker: "MSB"
cik: "0000065172"
company_name: "MESABI TRUST"
filed_at: "2021-08-03T23:59:59+00:00"
generated_at: "2026-06-29T23:34:40.484567+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Mesabi Trust receives Q2 2021 royalty payment of $19.5M; shipments up ~30% YoY

## Summary
- Base royalty $10.4M, bonus royalty $8.2M, positive pricing adjustment $0.7M.
- Total royalty payment of $19,495,040 received from Cleveland-Cliffs on July 30, 2021.
- Iron ore shipments credited: 1,393,902 tons in Q2 2021 vs 1,073,446 tons in Q2 2020 (+29.8%).
- Pricing subject to future adjustments; royalties and distributions may vary significantly.

## SEC filing metadata
- accession: 0001558370-21-010007
- form_type: 8-K
- ticker: MSB
- cik: 0000065172
- company_name: MESABI TRUST
- filed_at: 2021-08-03T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- 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/65172/000155837021010007/0001558370-21-010007-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/65172/000155837021010007/msb-20210730x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-21-010007
- JSON: https://secwatch.observer/filing/0001558370-21-010007.json
- Plain text: https://secwatch.observer/filing/0001558370-21-010007.txt

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