---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-027035"
form_type: "8-K"
ticker: "COST"
cik: "0000909832"
company_name: "COSTCO WHOLESALE CORP /NEW"
filed_at: "2022-02-03T23:59:59+00:00"
generated_at: "2026-06-27T12:08:08.377185+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Costco appoints Ron Vachris as President and COO, effective Feb 2, 2022

## Summary
- Ron Vachris named President and COO; also elected to the Board.
- Craig Jelinek continues as CEO and Board member.
- Vachris, 56, previously EVP, COO, Merchandising since 2016.
- Appointment fills a newly-created Board vacancy.

## SEC filing metadata
- accession: 0001193125-22-027035
- form_type: 8-K
- ticker: COST
- cik: 0000909832
- company_name: COSTCO WHOLESALE CORP /NEW
- filed_at: 2022-02-03T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/909832/000119312522027035/0001193125-22-027035-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/909832/000119312522027035/d497640d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-027035
- JSON: https://secwatch.observer/filing/0001193125-22-027035.json
- Plain text: https://secwatch.observer/filing/0001193125-22-027035.txt

## Key facts
- Executive change
  Ron Vachris was elected as Director at COSTCO WHOLESALE CORP /NEW.
  - Action: elected
  - Role: Director
  source text: the Board of Directors elected Mr. Vachris as a director to fill a newly-created vacancy on the Board.
  evidence_url: https://www.sec.gov/Archives/edgar/data/909832/000119312522027035/0001193125-22-027035-index.htm
- Executive change
  Ron Vachris was appointed as President and Chief Operating Officer at COSTCO WHOLESALE CORP /NEW.
  - Action: appointed
  - Role: President and Chief Operating Officer
  source text: the Board of Directors appointed Ron Vachris as President and Chief Operating Officer of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/909832/000119312522027035/0001193125-22-027035-index.htm

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