---
schema_version: "secwatch.filing_event.v1"
accession: "0000909832-26-000084"
form_type: "8-K"
ticker: "COST"
cik: "0000909832"
company_name: "COSTCO WHOLESALE CORP /NEW"
filed_at: "2026-09-24T20:17:37+00:00"
generated_at: "2026-09-24T20:18:19.031822+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Costco Q4 FY2026: EPS $6.75 (+15% YoY), sales $93.9B (+11.2%)

## Summary
- Q4 net income $2.998B ($6.75 diluted EPS) vs $2.610B ($5.87) prior year; includes $0.15 IEEPA tariff-refund benefit.
- Excluding IEEPA benefit, Q4 EPS grew 12.4%; net income grew 12.3%.
- FY sales $297.2B (+10.1%); FY EPS $20.76 vs $18.21; net income $9.226B.
- Total comp sales +9.4% (adj +6.7%); digitally-enabled comp +19.5%; traffic +3.3%.
- 150.4M cardholders (+3.6%); renewal rate 89.8% worldwide, 92.3% US/CN; exec members 42.3M.

## SEC filing metadata
- accession: 0000909832-26-000084
- form_type: 8-K
- ticker: COST
- cik: 0000909832
- company_name: COSTCO WHOLESALE CORP /NEW
- filed_at: 2026-09-24T20:17:37+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/909832/000090983226000084/0000909832-26-000084-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/909832/000090983226000084/cost-20260924.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000909832-26-000084
- JSON: https://secwatch.observer/filing/0000909832-26-000084.json
- Plain text: https://secwatch.observer/filing/0000909832-26-000084.txt

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