ShadowBuys

Costco Wholesale (COST)

Consumer Defensive · Discount Stores

34 members of Congress have disclosed 110 trades in Costco Wholesale (COST) since 2014: 59 buys and 51 sales. The most recent was disclosed on Oct 27, 2026.

Trades disclosed
110
Members trading
34
Buys / sells
59 / 51
Reported value
$1.2M–$4.1M

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What else is happening at COST

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Company filings and public records connected to this stock, ordered by when they became public or were first observed.

  1. COSTCompany announcement·SEC EDGAR

    COST: Leadership change

    Filed 8-K for an event or period dated 2026-10-13. Leadership change.

    Public: Oct 16, 2026, 4:52 PM EDTEvent / period: Oct 13, 2026Original source ↗

    1 congressional household disclosed purchases in the past 90 days. See the trades

  2. COSTCompany announcement·SEC EDGAR

    COST: Other company developments

    Filed 8-K for an event or period dated 2026-10-14. Other company developments.

    Public: Oct 14, 2026, 4:16 PM EDTEvent / period: Oct 14, 2026Original source ↗

    1 congressional household disclosed purchases in the past 90 days. See the trades

  3. COSTFinancial report·SEC EDGAR

    COST: 10-K financial filing

    Filed 10-K for an event or period dated 2026-08-30. Read the company report for its disclosures.

    Public: Oct 6, 2026, 9:13 PM EDTEvent / period: Aug 30, 2026Original source ↗

    1 congressional household disclosed purchases in the past 90 days. See the trades

  4. COSTCompany announcement·SEC EDGAR

    COST: Financial results

    Filed 8-K for an event or period dated 2026-09-24. Financial results.

    Public: Sep 24, 2026, 4:17 PM EDTEvent / period: Sep 24, 2026Original source ↗

    1 congressional household disclosed purchases in the past 90 days. See the trades

Who traded COST

All trades

From periodic transaction reports filed under the STOCK Act. Amounts are the ranges members report, and trades can be disclosed up to 45 days after they happen. Nothing here is investment advice.