---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-25-005451"
form_type: "8-K"
ticker: "GORO"
cik: "0001160791"
company_name: "GOLD RESOURCE CORP"
filed_at: "2025-04-25T23:59:59+00:00"
generated_at: "2026-05-23T05:41:50.223429+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Gold Resource Corp appoints Armando Alexandri as COO; Alberto Reyes departs April 21

## Summary
- Alberto Reyes left as COO effective April 21, 2025; termination without cause; severance terms under negotiation.
- Armando Alexandri appointed COO effective April 22, 2025; 40+ years mining experience, primarily in Mexico.
- Alexandri previously COO at Luca Mining Corp and IMPACT Silver Corp, credited with turning around Tahuehueto and Campo Morado.
- New COO to focus on unlocking Don David Gold Mine potential and improving production.

## SEC filing metadata
- accession: 0001558370-25-005451
- form_type: 8-K
- ticker: GORO
- cik: 0001160791
- company_name: GOLD RESOURCE CORP
- filed_at: 2025-04-25T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1160791/000155837025005451/0001558370-25-005451-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1160791/000155837025005451/goro-20250421x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-25-005451
- JSON: https://secwatch.observer/filing/0001558370-25-005451.json
- Plain text: https://secwatch.observer/filing/0001558370-25-005451.txt

## Key facts
- Executive change
  Armando Alexandri was appointed as Chief Operating Officer at GOLD RESOURCE CORP.
  - Action: appointed
  - Role: Chief Operating Officer
  source text: Armando Alexandri was appointed by the Board of Directors of the Company as Chief Operating Officer of the Company, effective as of April 22, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1160791/000155837025005451/0001558370-25-005451-index.htm
- Executive change
  Alberto Reyes departed as Chief Operating Officer at GOLD RESOURCE CORP.
  - Action: departed
  - Role: Chief Operating Officer
  source text: Effective April 21, 2025, Alberto Reyes is no longer employed as the Chief Operating Officer of Gold Resource Corporation (the “Company”). The termination of his employment with the Company is without cause.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1160791/000155837025005451/0001558370-25-005451-index.htm

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