---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-033914"
form_type: "8-K"
ticker: "MUX"
cik: "0000314203"
company_name: "McEwen Inc."
filed_at: "2026-03-24T23:59:59+00:00"
generated_at: "2026-05-15T09:17:10.162359+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# McEwen reports Tartan Mine gold resource of 308,900 oz Indicated and 302,700 oz Inferred

## Summary
- Indicated: 308,900 oz (2.62M tonnes @ 3.67 g/t); Inferred: 302,700 oz (2.83M tonnes @ 3.32 g/t) using US$3,000/oz gold.
- Exploration budget of $6 million in 2026 to expand resource and test near-mine targets.
- Targets initial production ~30,000 oz/yr at 500 tpd; potential to 45,000-55,000 oz/yr at 1,000 tpd.
- Part of goal to double total production to 250,000-300,000 oz gold by 2030.
- Metallurgical test work and mine restart evaluation underway; reviewing environmental licenses.

## SEC filing metadata
- accession: 0001104659-26-033914
- form_type: 8-K
- ticker: MUX
- cik: 0000314203
- company_name: McEwen Inc.
- filed_at: 2026-03-24T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/314203/000110465926033914/0001104659-26-033914-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/314203/000110465926033914/tm269723d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-033914
- JSON: https://secwatch.observer/filing/0001104659-26-033914.json
- Plain text: https://secwatch.observer/filing/0001104659-26-033914.txt

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