---
schema_version: "secwatch.filing_event.v1"
accession: "0000909832-26-000134"
form_type: "8-K"
ticker: "COST"
cik: "0000909832"
company_name: "COSTCO WHOLESALE CORP /NEW"
filed_at: "2026-11-10T21:16:20+00:00"
generated_at: "2026-11-10T21:17:09.370742+00:00"
event_type: "dividend"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Costco declares $30/share special dividend totaling about $13.3B and reauthorizes $4B buyback

## Summary
- Declared a $30 per share special cash dividend, payable Dec. 4, 2026, to shareholders of record Nov. 24, 2026; total payment about $13.3 billion.
- Board reauthorized up to $4 billion stock repurchase program expiring November 2030; replaces 2023 $4 billion program expiring January 2027, under which $3.1 billion was bought.
- Helena B. Foulkes resigned from the board effective Nov. 7, 2026; served since Aug. 16, 2023 on Audit and Nominating/Governance; no disagreement cited; recently elected Rhode Island governor.

## SEC filing metadata
- accession: 0000909832-26-000134
- form_type: 8-K
- ticker: COST
- cik: 0000909832
- company_name: COSTCO WHOLESALE CORP /NEW
- filed_at: 2026-11-10T21:16:20+00:00
- event_type: dividend
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/909832/000090983226000134/0000909832-26-000134-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/909832/000090983226000134/cost-20261107.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000909832-26-000134
- JSON: https://secwatch.observer/filing/0000909832-26-000134.json
- Plain text: https://secwatch.observer/filing/0000909832-26-000134.txt

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