---
schema_version: "secwatch.filing_event.v1"
accession: "0000909832-25-000093"
form_type: "8-K"
ticker: "COST"
cik: "0000909832"
company_name: "COSTCO WHOLESALE CORP /NEW"
filed_at: "2025-09-25T23:59:59+00:00"
generated_at: "2026-05-17T05:44:35.125237+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Costco Q4 revenue $84.4B (+8%), EPS $5.87; membership income +14%, comp sales +5.7%

## Summary
- Q4 net sales $84.4B (+8.0% YoY); fiscal year $269.9B (+8.1%).
- Diluted EPS $5.87 in Q4 vs $5.29 last year; fiscal year $18.21 vs $16.56.
- Comparable sales +5.7% total (+6.4% adjusted); traffic +3.7%, ticket +1.9%.
- Membership income +14.0% (13.6% ex-FX); paid members 81.0M (+6.3%); renewal rate 89.8% worldwide.
- Gross margin 11.13% (+13bps); SG&A 9.21% (-17bps) – both favorable.

## SEC filing metadata
- accession: 0000909832-25-000093
- form_type: 8-K
- ticker: COST
- cik: 0000909832
- company_name: COSTCO WHOLESALE CORP /NEW
- filed_at: 2025-09-25T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/909832/000090983225000093/0000909832-25-000093-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/909832/000090983225000093/cost-20250925.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000909832-25-000093
- JSON: https://secwatch.observer/filing/0000909832-25-000093.json
- Plain text: https://secwatch.observer/filing/0000909832-25-000093.txt

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