---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-200621"
form_type: "8-K"
ticker: "IAUX"
cik: "0001853962"
company_name: "i-80 Gold Corp."
filed_at: "2025-09-11T23:59:59+00:00"
generated_at: "2026-05-17T06:54:26.784567+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# i-80 Gold gets Archimedes permits, starts construction; high-grade assays at Granite Creek

## Summary
- Archimedes permits received from NDEP and BLM; underground development initiated; first gold output expected Q4 2026.
- Phase One targets annual gold output of 150,000-200,000 oz by 2028, from current <50,000 oz.
- PEA: after-tax NPV $644M at 5% discount, IRR 81% at $3,000/oz gold, 10-year mine life.
- Archimedes infill drilling accelerated ~12 mo to 175+ holes/60,000m; feasibility study targeted Q1 2027.
- Granite Creek infill: first 6 holes show robust high-grade mineralization with potential north and at depth expansion.

## SEC filing metadata
- accession: 0001193125-25-200621
- form_type: 8-K
- ticker: IAUX
- cik: 0001853962
- company_name: i-80 Gold Corp.
- filed_at: 2025-09-11T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1853962/000119312525200621/0001193125-25-200621-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1853962/000119312525200621/d85563d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-200621
- JSON: https://secwatch.observer/filing/0001193125-25-200621.json
- Plain text: https://secwatch.observer/filing/0001193125-25-200621.txt

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