---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-062686"
form_type: "8-K"
ticker: "AUMN"
cik: "0001011509"
company_name: "Golden Minerals Co"
filed_at: "2023-05-19T23:59:59+00:00"
generated_at: "2026-06-14T19:05:28.337958+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Golden Minerals COO John Galassini resigns effective May 31, 2023

## Summary
- COO John Galassini notified the company of his resignation on May 18, 2023.
- Resignation as officer and employee is effective May 31, 2023.
- No replacement or interim COO has been announced in this filing.

## SEC filing metadata
- accession: 0001104659-23-062686
- form_type: 8-K
- ticker: AUMN
- cik: 0001011509
- company_name: Golden Minerals Co
- filed_at: 2023-05-19T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1011509/000110465923062686/0001104659-23-062686-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1011509/000110465923062686/tm2316338d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-062686
- JSON: https://secwatch.observer/filing/0001104659-23-062686.json
- Plain text: https://secwatch.observer/filing/0001104659-23-062686.txt

## Key facts
- Executive change
  John Galassini resigned as Chief Operating Officer at Golden Minerals Co.
  - Action: resigned
  - Role: Chief Operating Officer
  source text: On May 18, 2023, John Galassini, Chief Operating Officer of Golden Minerals Company (the “Company”), notified the Company of his resignation as an officer and employee of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1011509/000110465923062686/0001104659-23-062686-index.htm

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