AI brief of an SEC Form 8-K · i-80 Gold Corp. (IAUX)

i-80 Gold Granite Creek Study Shows $118 Million After-Tax NPV at $2,750 Gold

Positive Impact 3 of 5 other Written later

i-80 Gold filed a Pre-Feasibility Study for its Granite Creek Underground Project, dated September 21, 2026, with an effective date of March 31, 2026. The study reports an after-tax NPV (5%) of $118 million and a mine life of 8.5 years at a $2,750 per ounce gold price, and it supersedes the March 2025 Preliminary Economic Assessment.

Key points

After-tax NPV (5%) of $118 million and pre-tax NPV of $138 million at a $2,750 per ounce gold price
Proven and probable mineral reserves of 2,198 thousand tonnes at 7.87 g/t gold, containing 556.5 thousand ounces
Life-of-mine total cash costs of $2,076 per ounce and all-in sustaining costs of $2,273 per ounce, with total capital and closure costs of $144.9 million
Study prepared by third-party firms including SRK Consulting (U.S.), Inc. and Hatch Associates Consultants, Inc., with an effective date of March 31, 2026

The filing

Companyi-80 Gold Corp. (IAUX)

Form8-K, current report

Filed with the SECSep 22, 2026, 9:25 AM ET

Accession number0001193125-26-397337

Items reported: 8.01 Other Events

Read the filing on SEC.gov ↗

Written by AI on Nov 9, 2026, 11:44 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on September 22, 2026.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.