---
schema_version: "secwatch.filing_event.v1"
accession: "0000909832-24-000026"
form_type: "8-K"
ticker: "COST"
cik: "0000909832"
company_name: "COSTCO WHOLESALE CORP /NEW"
filed_at: "2024-05-30T23:59:59+00:00"
generated_at: "2026-06-01T07:33:31.908867+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Costco Q3 net sales $57.4B (+9.1%), diluted EPS $3.78, e-comm comp sales +20.7%

## Summary
- Net income $1.68B, $3.78 per diluted share, vs $2.93 last year (includes $0.50 charge in prior year).
- Total company comparable sales +6.6% (+6.5% adjusted); US +6.2%, Canada +7.7%, Other Intl +7.7%.
- E-commerce comparable sales +20.7% (adjusted +20.7%); top categories: appliances, gold/silver, gift cards.
- Membership income +7.6% (+8.0% ex-FX); paid members 74.5M (+7.8%), renewal rate 90.5% worldwide.
- Added 10 new warehouses in Q3; total 878 globally; plans 14 more in rest of fiscal 2024.

## SEC filing metadata
- accession: 0000909832-24-000026
- form_type: 8-K
- ticker: COST
- cik: 0000909832
- company_name: COSTCO WHOLESALE CORP /NEW
- filed_at: 2024-05-30T23:59:59+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/909832/000090983224000026/0000909832-24-000026-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/909832/000090983224000026/cost-20240530.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000909832-24-000026
- JSON: https://secwatch.observer/filing/0000909832-24-000026.json
- Plain text: https://secwatch.observer/filing/0000909832-24-000026.txt

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