---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-23-015671"
form_type: "8-K"
ticker: "GORO"
cik: "0001160791"
company_name: "GOLD RESOURCE CORP"
filed_at: "2023-09-13T23:59:59+00:00"
generated_at: "2026-06-10T18:51:37.455256+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Gold Resource Corp reports positive Q3 drill results at Don David Gold Mine; 5 rigs, 25,000m drilled

## Summary
- Hole 523035: 8.01m with NSR $223/t incl. 1.11m at $662/t in Susana North vein (Switchback system).
- Three Sisters and Gloria vein systems show robust mineralized horizon, remain open to north-west.
- Year-to-date 2023: >100 drill holes, 25,000 meters core drilled; 5 underground rigs operating.
- Preliminary calculations indicate positive increase in tonnage and grades; results support 2023 resource estimate update.
- CEO says results support long-term exploration strategy to increase mine life by identifying near-term resources.

## SEC filing metadata
- accession: 0001558370-23-015671
- form_type: 8-K
- ticker: GORO
- cik: 0001160791
- company_name: GOLD RESOURCE CORP
- filed_at: 2023-09-13T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1160791/000155837023015671/0001558370-23-015671-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1160791/000155837023015671/goro-20230912x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-23-015671
- JSON: https://secwatch.observer/filing/0001558370-23-015671.json
- Plain text: https://secwatch.observer/filing/0001558370-23-015671.txt

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