---
schema_version: "secwatch.filing_event.v1"
accession: "0000909832-25-000036"
form_type: "8-K"
ticker: "COST"
cik: "0000909832"
company_name: "COSTCO WHOLESALE CORP /NEW"
filed_at: "2025-06-11T23:59:59+00:00"
generated_at: "2026-05-19T14:52:41.780444+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Costco names Tiffany Barbre as new PAO; Dan Hines retiring after 35 years

## Summary
- Dan Hines to retire as SVP, Corporate Controller and Principal Accounting Officer on June 30, 2025; remains SVP until Jan 2026.
- Tiffany Barbre appointed as SVP, Corporate Controller and PAO effective July 1, 2025.
- Barbre, 51, joined Costco in 2005 and was most recently VP, Assistant Corporate Controller.
- Barbre receives annual base salary of $340,000, cash bonus eligibility of $100,000 (prorated), and RSU target value of $2M for FY2026.

## SEC filing metadata
- accession: 0000909832-25-000036
- form_type: 8-K
- ticker: COST
- cik: 0000909832
- company_name: COSTCO WHOLESALE CORP /NEW
- filed_at: 2025-06-11T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/909832/000090983225000036/0000909832-25-000036-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/909832/000090983225000036/cost-20250610.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000909832-25-000036
- JSON: https://secwatch.observer/filing/0000909832-25-000036.json
- Plain text: https://secwatch.observer/filing/0000909832-25-000036.txt

## Key facts
- Executive change
  Tiffany Barbre was appointed as Senior Vice President, Corporate Controller and Principal Accounting Officer at COSTCO WHOLESALE CORP /NEW.
  - Action: appointed
  - Role: Senior Vice President, Corporate Controller and Principal Accounting Officer
  source text: Tiffany Barbre, 51, has been appointed as Senior Vice President, Corporate Controller and Principal Accounting Officer, effective July 1, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/909832/000090983225000036/0000909832-25-000036-index.htm
- Executive change
  Dan Hines departed as Senior Vice President, Corporate Controller and Principal Accounting Officer at COSTCO WHOLESALE CORP /NEW.
  - Action: retire
  - Role: Senior Vice President, Corporate Controller and Principal Accounting Officer
  source text: On June 10, 2025, the Company announced that on June 30 Dan Hines will retire as Senior Vice President, Corporate Controller, and Principal Accounting Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/909832/000090983225000036/0000909832-25-000036-index.htm

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