---
schema_version: "secwatch.filing_event.v1"
accession: "0000909832-25-000064"
form_type: "8-K"
ticker: "COST"
cik: "0000909832"
company_name: "COSTCO WHOLESALE CORP /NEW"
filed_at: "2025-08-07T23:59:59+00:00"
generated_at: "2026-05-17T18:45:02.452591+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Costco announces retirement of COO Russ Miller; Caton Frates named successor effective Feb 2026

## Summary
- Russ Miller, Senior EVP, COO – U.S. and Mexico Operations, will retire effective February 2026.
- Caton Frates, EVP, COO Southwest Division, appointed Senior EVP, Warehouse Operations – U.S. and Mexico, effective February 2026.
- Succession plan is with a named internal replacement; no immediate operational change expected.

## SEC filing metadata
- accession: 0000909832-25-000064
- form_type: 8-K
- ticker: COST
- cik: 0000909832
- company_name: COSTCO WHOLESALE CORP /NEW
- filed_at: 2025-08-07T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/909832/000090983225000064/0000909832-25-000064-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/909832/000090983225000064/cost-20250804.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000909832-25-000064
- JSON: https://secwatch.observer/filing/0000909832-25-000064.json
- Plain text: https://secwatch.observer/filing/0000909832-25-000064.txt

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