---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-041967"
form_type: "8-K"
ticker: "HYMC"
cik: "0001718405"
company_name: "HYCROFT MINING HOLDING CORP"
filed_at: "2026-09-09T20:30:19+00:00"
generated_at: "2026-09-09T20:31:13.111964+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Hycroft drill results: Vortex 30.5m at 780.53 g/t Ag, Brimstone 5.5m at 1,345.27 g/t Ag

## Summary
- Vortex H26D-6090: 30.5m at 780.53 g/t Ag, 0.49 g/t Au; incl. 11.2m at 1,664.80 g/t Ag.
- Vortex H26D-6172: 6.1m at 21.12 g/t Au (incl. 1.5m at 43.00 g/t Au) suggests separate high-grade gold system.
- Brimstone H26D-6167A: 5.5m at 1,345.27 g/t Ag, incl. 1.8m at 4,074.00 g/t Ag; extends north.
- CEO Diane Garrett: results confirm high-grade underground mine potential; system open in all directions.
- Follow-up drilling planned to test gold orientation and extent at Vortex.

## SEC filing metadata
- accession: 0001493152-26-041967
- form_type: 8-K
- ticker: HYMC
- cik: 0001718405
- company_name: HYCROFT MINING HOLDING CORP
- filed_at: 2026-09-09T20:30:19+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1718405/000149315226041967/0001493152-26-041967-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1718405/000149315226041967/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-041967
- JSON: https://secwatch.observer/filing/0001493152-26-041967.json
- Plain text: https://secwatch.observer/filing/0001493152-26-041967.txt

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