---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-018204"
form_type: "8-K"
ticker: "HYMC"
cik: "0001718405"
company_name: "HYCROFT MINING HOLDING CORP"
filed_at: "2026-04-21T23:59:59+00:00"
generated_at: "2026-05-15T05:07:52.722816+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Hycroft engages RESPEC for underground mining study; added to GDXJ ETF

## Summary
- Engaged RESPEC to evaluate underground mining options for Brimstone and Vortex high-grade silver systems.
- WestLand completed TSF engineering; Ausenco to finish Initial Assessment Technical Report with economics in Q2 2026.
- Added to VanEck Junior Gold Miners ETF (GDXJ), increasing visibility to institutional investors.
- Evaluation of an exploration decline to enable underground drill access will determine portal location and dimensions.

## SEC filing metadata
- accession: 0001493152-26-018204
- form_type: 8-K
- ticker: HYMC
- cik: 0001718405
- company_name: HYCROFT MINING HOLDING CORP
- filed_at: 2026-04-21T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.6
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1718405/000149315226018204/0001493152-26-018204-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1718405/000149315226018204/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-018204
- JSON: https://secwatch.observer/filing/0001493152-26-018204.json
- Plain text: https://secwatch.observer/filing/0001493152-26-018204.txt

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