---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-397337"
form_type: "8-K"
ticker: "IAUX"
cik: "0001853962"
company_name: "i-80 Gold Corp."
filed_at: "2026-09-22T13:25:49+00:00"
generated_at: "2026-09-22T13:27:11.823545+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 PFS: Granite Creek after-tax NPV $118M, 8.5-yr life, 485k oz recovered

## Summary
- After-tax NPV(5%) $118M, pre-tax $138M at $2,750/oz; after-tax cash flow $153M.
- Mine life 8.5 yrs, 485k oz recovered at 7.87 g/t; avg annual prod 75.1k oz (2028-2032).
- LOM cash costs $2,076/oz, AISC excl. Lone Tree refurb $2,273/oz; 2028-32 cash costs $1,827/oz.
- Proven+Probable reserves 2.198 Mt at 7.87 g/t for 556.5k oz; M&I resources 313k oz.
- Total capital $144.9M incl $49.3M Lone Tree refurb; CX Zone high-grade target (36.4 g/t over 9.1m).

## SEC filing metadata
- accession: 0001193125-26-397337
- form_type: 8-K
- ticker: IAUX
- cik: 0001853962
- company_name: i-80 Gold Corp.
- filed_at: 2026-09-22T13:25:49+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1853962/000119312526397337/0001193125-26-397337-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1853962/000119312526397337/d29391d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-397337
- JSON: https://secwatch.observer/filing/0001193125-26-397337.json
- Plain text: https://secwatch.observer/filing/0001193125-26-397337.txt

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