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What Costco's 8-K filings say: 1 filing, latest Jan 21, 2026

Costco filed its latest 8-K with the SEC on Jan 21, 2026. It discusses governance change.

Public (COST)Retail10,000+ employeescostco.comLinkedIn

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Filed
Jan 21, 2026
Filings
1
Signals
1

Source: Autobound Signal API · 95 signals tracked for Costco · updated

8-K · latest 1

What Costco's 8-K filings say

  1. 8-K

    Filed · 1 signal

    SEC EDGAR

Signal API · MCP

Track Costco with the Signal API

One POST /v1/companies/enrich call with costco.com returns Costco 8-K signals (sec-8k), each with its source. Or ask Claude through MCP.

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2 credits per signal returned; zero-result calls are free. Endpoint reference

curl -X POST https://signals.autobound.ai/v1/companies/enrich \
  -H "X-API-KEY: $AUTOBOUND_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"domain":"costco.com","signal_types":["sec-8k"],"limit":20}'

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Questions about Costco 8-K

When did Costco file its latest 8-K?
Costco filed its latest 8-K on Jan 21, 2026.
What did Costco disclose in its latest 8-K?
From the filing dated Jan 21, 2026: Costco shareholders reject proposal for a 'greenwashing risk audit' at annual meeting.
Where can I read Costco's 8-K filing?
The full filing is on SEC EDGAR: https://www.sec.gov/Archives/edgar/data/909832/000090983226000016/cost-20260115.htm. This page summarizes what the filing says and links to it.

Page updated , the date of the newest row on this page.

Source. Current reports (Form 8-K) filed with the SEC. Every card links to the filing on EDGAR.

Method. Insights are extracted from the filing text and grouped by category. Numbers are quoted from the filing.

Data as of .

How this data is built →Get it from the Signal API →