TickerFacts.

A business in context

WLK research notebook

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

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-09-07 · 8010 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-08-31 · 0001193125-26-377500

  2. 8-K · Current report

    Report date 2026-08-31 · 0001193125-26-376996 · Items 5.02

  3. 4 · Ownership change

    Report date 2026-08-14 · 0001193125-26-353632

  4. 4 · Ownership change

    Report date 2026-08-14 · 0001193125-26-353631

  5. 4 · Ownership change

    Report date 2026-08-14 · 0001193125-26-353630

  6. 4 · Ownership change

    Report date 2026-08-14 · 0001193125-26-353629

  7. 4 · Ownership change

    Report date 2026-08-14 · 0001193125-26-353628

  8. 4 · Ownership change

    Report date 2026-08-14 · 0001193125-26-353626

  9. 4 · Ownership change

    Report date 2026-08-14 · 0001193125-26-353625

  10. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001262823-26-000032

  11. 8-K · Current report

    Report date 2026-08-04 · 0001262823-26-000026 · Items 2.02,7.01,9.01

  12. 8-K · Current report

    Report date 2026-07-29 · 0001193125-26-324110 · Items 8.01

  13. 8-K · Current report

    Report date 2026-06-15 · 0001193125-26-271206 · Items 7.01,9.01

  14. 8-K · Current report

    Report date 2026-05-14 · 0001193125-26-229093 · Items 5.07

  15. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001262823-26-000022

  16. 8-K · Current report

    Report date 2026-05-05 · 0001262823-26-000019 · Items 2.02,7.01,9.01

  17. 8-K · Current report

    Report date 2026-04-27 · 0001193125-26-199067 · Items 7.01

  18. 8-K · Current report

    Report date 2026-04-15 · 0001193125-26-164225 · Items 5.02,7.01,9.01

  19. 8-K · Current report

    Report date 2026-04-13 · 0001193125-26-153703 · Items 8.01

  20. 8-K · Current report

    Report date 2026-04-02 · 0001193125-26-142822 · Items 1.01,1.02,2.03,9.01

  21. 8-K · Current report

    Report date 2026-03-30 · 0001193125-26-139007 · Items 5.02

  22. DEF 14A · Proxy statement

    Report date 2026-05-14 · 0001193125-26-138974

  23. 10-K · Annual report

    Report date 2025-12-31 · 0001262823-26-000016

  24. 8-K · Current report

    Report date 2026-02-24 · 0001262823-26-000008 · Items 2.02,7.01,9.01

  25. 8-K · Current report

    Report date 2026-02-19 · 0001193125-26-064221 · Items 5.02,7.01,9.01

  26. 8-K · Current report

    Report date 2026-01-06 · 0001262823-26-000005 · Items 7.01,9.01

  27. 8-K · Current report

    Report date 2025-12-12 · 0001193125-25-318445 · Items 2.05,7.01,9.01

  28. 8-K · Current report

    Report date 2025-11-10 · 0001193125-25-275790 · Items 7.01,9.01

  29. 8-K · Current report

    Report date 2025-11-04 · 0001193125-25-267207 · Items 1.01,7.01,9.01

  30. 8-K · Current report

    Report date 2025-11-04 · 0001193125-25-263753 · Items 7.01,9.01

  31. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001262823-25-000064

  32. 8-K · Current report

    Report date 2025-10-30 · 0001262823-25-000061 · Items 2.02,7.01,9.01

  33. 8-K · Current report

    Report date 2025-08-26 · 0001262823-25-000056 · Items 7.01,9.01

  34. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001262823-25-000052

  35. 8-K · Current report

    Report date 2025-08-05 · 0001262823-25-000047 · Items 2.02,7.01,9.01

  36. 8-K · Current report

    Report date 2025-06-17 · 0001262823-25-000043 · Items 2.05

  37. 8-K · Current report

    Report date 2025-05-08 · 0001262823-25-000033 · Items 5.07

  38. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001262823-25-000029

  39. 8-K · Current report

    Report date 2025-05-02 · 0001262823-25-000026 · Items 2.02,7.01,9.01

  40. 8-K · Current report

    Report date 2025-04-11 · 0001262823-25-000020 · Items 5.02

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: 0 transaction rows0SGrant / award: 2 transaction rows2AExercise / conversion: 2 transaction rows2MTax / exercise payment: 1 transaction rows1FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

5 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-06-15
2026-06-16
Baksht JonathanA · Grant / award
Acquired
Restricted Stock Units
Derivative security
20580.00.0
2026-05-13
2026-05-14
Bender Mark StevenF · Tax / exercise payment
Disposed
Common Stock5284.097.34
2026-05-12
2026-05-14
Bender Mark StevenM · Exercise / conversion
Acquired
Common Stock13164.00.0
2026-05-12
2026-05-14
Bender Mark StevenM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
13164.00.0
2026-04-02
2026-04-06
Powers Brian JohnA · Grant / award
Acquired
Restricted Stock Units
Derivative security
1961.00.0

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 · 0001262823WESTLAKE CORP
Westlake Vinnolit

Showing 1 of 1 imported Wikidata subsidiary claims. Additional aliases appear below.

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

Legal Entity Identifier
GOXNEVUM0LL78B1OS344
GLEIF legal name
WESTLAKE CORPORATION
Entity / LEI registration status
ACTIVE / ISSUED
Reference data updated
2026-06-02T15:19:18Z

direct-parent: no parent LEI supplied

ultimate-parent: no parent LEI supplied

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 ↗

  • Westlake Corporation · alias · wikidata
  • Westlake Vinnolit · subsidiary · wikidata
  • Vinnolit · subsidiary · wikidata
  • WESTLAKE CHEMICAL CORP · former SEC name · 2003-09-22 to 2022-02-01
Explore headquarters map ↗

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
2024-12-31$12.14B$12.92B
2023-12-31$12.55B$13.75B
2022-12-31$15.79B$18.02B
2021-12-31$11.78B$14.51B
2020-12-31$7.50B$9.68B
2019-12-31$8.12B$10.60B
2018-12-31$8.63B$11.48B
2017-12-31$8.04B$10.95B

Bureau of Labor Statistics · retrieved 2026-09-07 · 9 selected series; gaps remain missing

Explore the CPI history ↗