---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-161034"
form_type: "8-K"
ticker: "COST"
cik: "0000909832"
company_name: "COSTCO WHOLESALE CORP /NEW"
filed_at: "2022-05-26T23:59:59+00:00"
generated_at: "2026-06-25T07:01:25.627659+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Costco Q3 net sales up 16.3% to $51.61B; EPS $3.04 vs $2.75 YoY

## Summary
- Net sales $51.61B (+16.3% YoY); net income $1,353M ($3.04 EPS) vs $1,220M ($2.75 EPS) last year.
- Comparable sales total +14.9% (+10.8% adjusted); US +16.6% (+10.7% adjusted).
- Results include $77M pretax charge for incremental employee benefits ($0.13/share).
- First 36 weeks net sales $151.97B (+16.4%); net income $3.98B ($8.94 EPS) vs $3.34B ($7.51 EPS).
- Operates 830 warehouses (574 US, 105 Canada, 40 Mexico, etc.) and 8 e-commerce sites.

## SEC filing metadata
- accession: 0001193125-22-161034
- form_type: 8-K
- ticker: COST
- cik: 0000909832
- company_name: COSTCO WHOLESALE CORP /NEW
- filed_at: 2022-05-26T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/909832/000119312522161034/0001193125-22-161034-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/909832/000119312522161034/d362298d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-161034
- JSON: https://secwatch.observer/filing/0001193125-22-161034.json
- Plain text: https://secwatch.observer/filing/0001193125-22-161034.txt

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