A business in context

WLKP research notebook

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

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-10-22 · 8029 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 8-K · Current report

    Report date 2026-08-31 · 0001193125-26-377003 · Items 5.02

  2. 4 · Ownership change

    Report date 2026-08-12 · 0001193125-26-348606

  3. 4 · Ownership change

    Report date 2026-08-12 · 0001193125-26-348604

  4. 4 · Ownership change

    Report date 2026-08-12 · 0001193125-26-348603

  5. 4 · Ownership change

    Report date 2026-08-06 · 0001193125-26-339181

  6. 4 · Ownership change

    Report date 2026-08-06 · 0001193125-26-339179

  7. 4 · Ownership change

    Report date 2026-08-06 · 0001193125-26-339176

  8. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001604665-26-000027

  9. 8-K · Current report

    Report date 2026-08-04 · 0001604665-26-000022 · Items 2.02,7.01,9.01

  10. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001604665-26-000017

  11. 8-K · Current report

    Report date 2026-05-05 · 0001604665-26-000013 · Items 2.02,7.01,9.01

  12. 8-K · Current report

    Report date 2026-04-20 · 0001193125-26-164239 · Items 5.02,7.01,9.01

  13. 10-K · Annual report

    Report date 2025-12-31 · 0001604665-26-000010

  14. 8-K · Current report

    Report date 2026-02-24 · 0001604665-26-000003 · Items 2.02,7.01,9.01

  15. 8-K · Current report

    Report date 2026-02-18 · 0001193125-26-064229 · Items 5.02

  16. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001604665-25-000042

  17. 8-K · Current report

    Report date 2025-10-30 · 0001604665-25-000038 · Items 1.01,2.02,7.01,9.01

  18. 4 · Ownership change

    Report date 2025-08-27 · 0002030037-25-000008

  19. 4 · Ownership change

    Report date 2024-11-27 · 0002030037-25-000006

  20. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001604665-25-000034

  21. 8-K · Current report

    Report date 2025-08-05 · 0001604665-25-000029 · Items 2.02,7.01,9.01

  22. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001604665-25-000021

  23. 8-K · Current report

    Report date 2025-05-02 · 0001604665-25-000019 · Items 2.02,7.01,9.01

  24. 10-K · Annual report

    Report date 2024-12-31 · 0001604665-25-000011

  25. 8-K · Current report

    Report date 2025-02-24 · 0001604665-25-000004 · Items 2.02,7.01,9.01

  26. 10-Q · Quarterly report

    Report date 2024-09-30 · 0001604665-24-000037

  27. 8-K · Current report

    Report date 2024-11-05 · 0001604665-24-000034 · Items 2.02,7.01,9.01

  28. 10-Q · Quarterly report

    Report date 2024-06-30 · 0001604665-24-000029

  29. 8-K · Current report

    Report date 2024-08-06 · 0001604665-24-000024 · Items 2.02,7.01,9.01

  30. 8-K · Current report

    Report date 2024-07-15 · 0001193125-24-178844 · Items 5.02,7.01,9.01

  31. 8-K · Current report

    Report date 2024-05-08 · 0001193125-24-134279 · Items 5.02,5.07,9.01

  32. 10-Q · Quarterly report

    Report date 2024-03-31 · 0001604665-24-000018

  33. 8-K · Current report

    Report date 2024-05-01 · 0001604665-24-000015 · Items 2.02,7.01,9.01

  34. DEF 14A · Proxy statement

    Report date 2024-05-08 · 0001140361-24-013767

  35. 10-K · Annual report

    Report date 2023-12-31 · 0001604665-24-000010

  36. 8-K · Current report

    Report date 2024-02-20 · 0001604665-24-000003 · Items 2.02,7.01,9.01

  37. SC 13G/A · Ownership disclosure

    0001104659-24-023408

  38. SC 13D/A · Ownership disclosure

    0000895345-24-000068

  39. SC 13G/A · Ownership disclosure

    0000914208-24-000154

  40. SC 13G/A · Ownership disclosure

    0001445546-24-000966

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-15 · 2026 Q3: 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: 3 transaction rows3AExercise / conversion: 6 transaction rows6MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

11 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-08-12
2026-08-13
WOELFEL RANDYA · Grant / award
Acquired
Phantom Units
Derivative security
5044.00.0
2026-08-12
2026-08-13
FINLEY G STEPHENA · Grant / award
Acquired
Phantom Units
Derivative security
5044.00.0
2026-08-12
2026-08-13
Friel Lisa A.A · Grant / award
Acquired
Phantom Units
Derivative security
5044.00.0
2026-08-06
2026-08-07
Friel Lisa A.M · Exercise / conversion
Acquired
Common Units5005.0n/a
2026-08-06
2026-08-07
Friel Lisa A.D · Disposition to issuer
Disposed
Common Units2502.021.35
2026-08-06
2026-08-07
Friel Lisa A.M · Exercise / conversion
Disposed
Phantom Units
Derivative security
5005.00.0
2026-08-06
2026-08-07
WOELFEL RANDYM · Exercise / conversion
Acquired
Common Units5005.0n/a
2026-08-06
2026-08-07
WOELFEL RANDYD · Disposition to issuer
Disposed
Common Units5005.021.35
2026-08-06
2026-08-07
WOELFEL RANDYM · Exercise / conversion
Disposed
Phantom Units
Derivative security
5005.00.0
2026-08-06
2026-08-07
FINLEY G STEPHENM · Exercise / conversion
Acquired
Common Units5005.0n/a
2026-08-06
2026-08-07
FINLEY G STEPHENM · Exercise / conversion
Disposed
Phantom Units
Derivative security
5005.00.0

Identity & relationships

Wikidata structured data · retrieved 2026-10-15 · 1663 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 · 0001604665Westlake Chemical Partners LP

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 2026-10-15 · 1199 checked identities; 0 unavailable records

Search names and former names

    Revenue in constant purchasing power

    USD revenue expressed in 2026-09 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$1.14B$1.22B
    2023-12-31$1.19B$1.32B
    2022-12-31$1.59B$1.83B
    2021-12-31$1.21B$1.51B
    2020-12-31$966.67M$1.26B
    2019-12-31$1.09B$1.44B
    2018-12-31$1.29B$1.73B
    2017-12-31$1.17B$1.61B

    Bureau of Labor Statistics · retrieved 2026-10-22 · 9 selected series; gaps remain missing

    Explore the CPI history ↗