---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-24-009362"
form_type: "8-K"
ticker: "AUMN"
cik: "0001011509"
company_name: "Golden Minerals Co"
filed_at: "2024-06-20T23:59:59+00:00"
generated_at: "2026-06-01T03:15:58.058975+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# CEO Warren Rehn resigns, replaced by Pablo Castanos; separation includes 490,000 shares and $50,000 cash

## Summary
- Rehn resigned as President, CEO and director effective June 17, 2024; will provide consulting for $14,000/month for 18 months.
- Separation includes vesting of 40,000 RSUs, 150,000 KELTIP units, and one-time grant of 300,000 shares under 2023 Plan.
- Castanos appointed CEO and President; base salary $300,000, 400,000 RSUs vesting over two years.
- Board amended 2023 Equity Plan to remove 5% vesting exception limit.

## SEC filing metadata
- accession: 0001558370-24-009362
- form_type: 8-K
- ticker: AUMN
- cik: 0001011509
- company_name: Golden Minerals Co
- filed_at: 2024-06-20T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1011509/000155837024009362/0001558370-24-009362-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1011509/000155837024009362/aumn-20240615x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-24-009362
- JSON: https://secwatch.observer/filing/0001558370-24-009362.json
- Plain text: https://secwatch.observer/filing/0001558370-24-009362.txt

## Key facts
- Executive change
  Pablo Castanos was appointed as President and Chief Executive Officer at Golden Minerals Co.
  - Action: appointed
  - Role: President and Chief Executive Officer
  source text: On June 15, 2024, the Board of Directors appointed Pablo Castanos, the then-current Executive Vice President, as President and Chief Executive Officer of the Company and as a member of the Board, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1011509/000155837024009362/0001558370-24-009362-index.htm
- Executive change
  Warren Rehn resigned as President and Chief Executive Officer (Principal Executive Officer) at Golden Minerals Co.
  - Action: resigned
  - Role: President and Chief Executive Officer (Principal Executive Officer)
  source text: Effective June 17, 2024, Warren Rehn resigned as President and Chief Executive Officer (Principal Executive Officer) of Golden Minerals Company
  evidence_url: https://www.sec.gov/Archives/edgar/data/1011509/000155837024009362/0001558370-24-009362-index.htm

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