Nasdaq · Retail-Variety Stores

Costco Wholesale Corporation (COST)

Costco Wholesale's next earnings date, recent SEC filings, insider trades and reported financials, with end-of-day prices. Every number carries its date and source.

Last close

$922.99

+0.02% 1 day−2.1% 52 weeks

As of Sep 28, 2026, end of day (IEX). Not a live quote.

COST · one year of daily closes

Sep 25, 2025 to Sep 28, 2026 · end of day · IEX

COST daily closing prices from Sep 25, 2025 to Sep 28, 2026: low $849.75, high $1,095.06, last $922.99. End of day, IEX.

Closing prices, split-adjusted, from trades on the IEX exchange (published the next trading day). Data provided for free by IEX. By accessing or using IEX Historical Data, you agree to the IEX Historical Data Terms of Use.

Key facts

1-day change
+0.02%
From $922.76 the session before
52-week change
−2.1%
Close vs close ~252 sessions earlier
52-week range
$849.75–$1,095.06
Lowest and highest closing prices
Market cap
$409.3B
Last close × shares outstanding (SEC)
Revenue (TTM)
$293.6B
12 months to May 10, 2026
Net income (TTM)
$8.8B
12 months to May 10, 2026
Diluted EPS (TTM)
$19.88
12 months to May 10, 2026

Financials: trailing twelve months from Costco Wholesale’s reported US-GAAP figures, SEC EDGAR XBRL company facts, period ended May 10, 2026.

Recent SEC filings

  1. Sep 24, 20268-KCurrent report: Earnings results
  2. Jul 8, 20268-KCurrent report: Other events
  3. Jun 3, 202610-QQuarterly report for the period ended May 10, 2026
  4. May 28, 20268-KCurrent report: Earnings results
  5. Apr 15, 20268-KCurrent report: Other events
  6. Mar 11, 202610-QQuarterly report for the period ended Feb 15, 2026
  7. Mar 5, 20268-KCurrent report: Earnings results
  8. Jan 21, 20268-KCurrent report: Shareholder vote results; Other events

Source: SEC EDGAR. Each line is written from the form type and the official 8-K item titles; open the filing for the full text. All COST filings on EDGAR

Next earnings

~Dec 10, 2026Estimated

Past results were usually filed after the close

Estimated from past filing dates. Costco Wholesale hasn't announced this date; Vero projects it from the rhythm of its past SEC filings, so treat it as approximate.

Estimated from SEC EDGAR filing dates

Insider activity (last 90 days)

Open-market buys
0
filings · 0 shares
Open-market sales
2
filings · 3,001 shares

Source: SEC EDGAR Form 4, filed in the 90 days to Oct 1, 2026. Counts are filings with at least one open-market purchase (P) or sale (S); grants, option exercises, tax withholding and gifts are left out.

Insider share counts and prices are as reported on Form 4.

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What Vero tracks about Costco Wholesale

Each new Costco Wholesale filing and headline, summarized in plain English and scored 1–10 for how much it matters. Write down why you own COST, and Vero reads every new item against those reasons: confirms, challenges or breaks. Alerts say when something crosses the line you set.

Track COST freeWrite a thesis on COST

The free plan follows 3 stocks, with no card and no end date.

Costco Wholesale (COST): questions, answered from the data

When is Costco Wholesale's next earnings date?
Around Dec 10, 2026 (past results were usually filed after the close), but that is an estimate, not a date Costco Wholesale has announced. Estimated from past filing dates: Vero projects it from the dates of Costco Wholesale's past SEC filings (source: Estimated from SEC EDGAR filing dates). Treat it as approximate until the company confirms it.
What was COST's last closing price?
COST closed at $922.99 on Sep 28, 2026. This is an end-of-day price from trades on the IEX exchange, published the next trading day, not a live quote, and it can differ slightly from the consolidated official close. That was +0.02% from the session before and −2.1% over 52 weeks.
Have Costco Wholesale insiders bought or sold shares recently?
In the 90 days to Oct 1, 2026, SEC Form 4 shows 0 filings with open-market purchases (0 shares) and 2 filings with open-market sales (3,001 shares). The most recent: Frates Caton (Sr. Executive Vice President) reported selling 801 shares, filed Sep 30, 2026. Grants, option exercises and tax withholding are not counted. Insider share counts and prices are as reported on Form 4.
What did Costco Wholesale file with the SEC most recently?
An 8-K filed on Sep 24, 2026: Current report: Earnings results. Before that, an 8-K on Jul 8, 2026 and a 10-Q on Jun 3, 2026. Each filing is linked to the original on SEC EDGAR.
Is this page a recommendation to buy or sell COST?
No. It reports public data (end-of-day prices from IEX and filings from SEC EDGAR) with the date of each. Vero is a research tool, not a financial adviser, and nothing here is a recommendation to buy or sell any security.

Other companies in Retail-Variety Stores

Closes are end of day (IEX), as of each page’s date. Grouped by SEC industry code (SIC).

Prices: IEX HIST end-of-day bars, published the next trading day; never live. Data provided for free by IEX. By accessing or using IEX Historical Data, you agree to the IEX Historical Data Terms of Use.

Filings, Form 4 and financials: Source: SEC EDGAR. Earnings dates: Vero’s calendar, marked confirmed or estimated.

Vero is a research tool, not a financial adviser. Nothing on this site is financial advice or a recommendation to buy or sell any security.

Data as of Oct 1, 2026.