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COST research notebook

Read the disclosures. Follow the relationships. Keep the dates in view.

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Filing timeline

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SEC submissions · retrieved 2026-09-08 · 8005 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-07-10 · 0000909832-26-000062

  2. 8-K · Current report

    Report date 2026-07-07 · 0000909832-26-000060 · Items 8.01,9.01

  3. 4 · Ownership change

    Report date 2026-06-23 · 0000909832-26-000053

  4. 10-Q · Quarterly report

    Report date 2026-05-10 · 0000909832-26-000051

  5. 8-K · Current report

    Report date 2026-05-28 · 0000909832-26-000046 · Items 2.02,9.01

  6. 8-K · Current report

    Report date 2026-04-15 · 0000909832-26-000041 · Items 8.01,9.01

  7. 4 · Ownership change

    Report date 2026-04-01 · 0000909832-26-000039

  8. 4 · Ownership change

    Report date 2026-03-12 · 0000909832-26-000035

  9. 4 · Ownership change

    Report date 2026-03-11 · 0000909832-26-000033

  10. 10-Q · Quarterly report

    Report date 2026-02-15 · 0000909832-26-000029

  11. 4 · Ownership change

    Report date 2026-03-09 · 0000909832-26-000028

  12. 8-K · Current report

    Report date 2026-03-05 · 0000909832-26-000025 · Items 2.02,9.01

  13. 4 · Ownership change

    Report date 2026-01-27 · 0000909832-26-000022

  14. 4 · Ownership change

    Report date 2026-01-27 · 0000909832-26-000020

  15. 8-K · Current report

    Report date 2026-01-15 · 0000909832-26-000016 · Items 5.07,8.01

  16. 10-Q · Quarterly report

    Report date 2025-11-23 · 0000909832-25-000169

  17. 8-K · Current report

    Report date 2025-12-11 · 0000909832-25-000164 · Items 2.02,9.01

  18. DEF 14A · Proxy statement

    Report date 2025-08-31 · 0000909832-25-000159

  19. 8-K · Current report

    Report date 2025-10-14 · 0000909832-25-000107 · Items 5.02,9.01

  20. 8-K · Current report

    Report date 2025-10-15 · 0000909832-25-000105 · Items 8.01,9.01

  21. 10-K · Annual report

    Report date 2025-08-31 · 0000909832-25-000101

  22. 8-K · Current report

    Report date 2025-09-25 · 0000909832-25-000093 · Items 2.02,9.01

  23. 8-K · Current report

    Report date 2025-08-04 · 0000909832-25-000064 · Items 5.02

  24. 8-K · Current report

    Report date 2025-07-15 · 0000909832-25-000061 · Items 8.01,9.01

  25. 8-K · Current report

    Report date 2025-06-10 · 0000909832-25-000036 · Items 5.02

  26. 10-Q · Quarterly report

    Report date 2025-05-11 · 0000909832-25-000033

  27. 8-K · Current report

    Report date 2025-05-29 · 0000909832-25-000031 · Items 2.02,9.01

  28. 8-K · Current report

    Report date 2025-04-16 · 0000909832-25-000023 · Items 8.01,9.01

  29. 10-Q · Quarterly report

    Report date 2025-02-16 · 0000909832-25-000015

  30. 8-K · Current report

    Report date 2025-03-06 · 0000909832-25-000012 · Items 2.02,9.01

  31. 8-K · Current report

    Report date 2025-01-30 · 0000909832-25-000008 · Items 5.02

  32. 8-K · Current report

    Report date 2025-01-23 · 0000909832-25-000005 · Items 5.07,8.01

  33. 10-Q · Quarterly report

    Report date 2024-11-24 · 0000909832-24-000079

  34. 8-K · Current report

    Report date 2024-12-12 · 0000909832-24-000075 · Items 2.02,9.01

  35. DEF 14A · Proxy statement

    Report date 2024-09-01 · 0000909832-24-000072

  36. 8-K · Current report

    Report date 2024-11-04 · 0000909832-24-000054 · Items 5.02,9.01

  37. 8-K · Current report

    Report date 2024-10-16 · 0000909832-24-000052 · Items 8.01,9.01

  38. 10-K · Annual report

    Report date 2024-09-01 · 0000909832-24-000049

  39. 8-K · Current report

    Report date 2024-09-26 · 0000909832-24-000043 · Items 2.02,9.01

  40. 8-K · Current report

    Report date 2024-09-16 · 0000909832-24-000039 · Items 5.03,9.01

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-09-07 · 2026 Q2: filings in this completed quarter; not a live transaction feed

Purchases and sales include open-market or private transactions. Grants, exercises and tax withholding are shown separately. Amendments and joint reports can overlap; rows are not a net-buying score. Prices retain the filing's units; consult its footnotes.

Transaction rows by code · counts, not monetary totals
Purchase: 0 transaction rows0PSale: 2 transaction rows2SGrant / award: 0 transaction rows0AExercise / conversion: 0 transaction rows0MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

2 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-06-23
2026-06-25
DENMAN KENNETH DS · Sale
Disposed
Common Stock885.0957.45
2026-04-01
2026-04-01
Frates CatonS · Sale
Disposed
Common Stock700.0993.0

Identity & relationships

Wikidata structured data · retrieved 2026-09-07 · 1611 unambiguous CIK-linked entities; coverage is incomplete

These are sourced identity and relationship claims, with incomplete coverage. Headquarters locations do not describe sales, assets or operating exposure.

SEC issuer · 0000909832COSTCO WHOLESALE CORP /NEW

No parent relationship is available in this import; this is not proof of independence.

No verified LEI join available.

GLEIF legal entity reference data · retrieved 2026-09-07 · 1177 checked identities; 0 unavailable records

Search names and former names

View Wikidata identity and references ↗

  • Costco · alias · wikidata
  • Costco Wholesale · alias · wikidata
  • COSTCO COMPANIES INC · former SEC name · 1997-12-18 to 1999-06-29
  • PRICE/COSTCO INC · former SEC name · 1994-01-05 to 1997-01-06
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Revenue in constant purchasing power

USD revenue expressed in 2026-07 consumer-price dollars. Each annual period uses a CPI-U average weighted by the days in its actual reporting interval. This is a purchasing-power comparison, not a company-specific price or volume measure.

Year endedReported USD revenueCPI-adjusted USD revenue
2025-08-31$275.24B$287.90B
2024-09-01$254.45B$273.20B
2023-09-03$242.29B$268.44B
2022-08-28$226.95B$265.23B
2021-08-29$195.93B$246.50B
2020-08-30$166.76B$216.07B
2019-09-01$152.70B$200.72B
2018-09-02$141.58B$189.61B

Bureau of Labor Statistics · retrieved 2026-09-08 · 9 selected series; gaps remain missing

Explore the CPI history ↗