A business in context

WPRT 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. 6-K · Current report

    Report date 2026-08-11 · 0001171843-26-005431

  2. 6-K · Current report

    Report date 2026-06-30 · 0001370416-26-000019

  3. 6-K · Current report

    Report date 2026-07-28 · 0001171843-26-004959

  4. 6-K · Current report

    Report date 2026-07-15 · 0001370416-26-000017

  5. 6-K · Current report

    Report date 2026-06-30 · 0001171843-26-004438

  6. 6-K · Current report

    Report date 2026-06-23 · 0001171843-26-004260

  7. 6-K · Current report

    Report date 2026-06-18 · 0001171843-26-004189

  8. 6-K · Current report

    Report date 2026-06-03 · 0001370416-26-000016

  9. 6-K · Current report

    Report date 2026-05-27 · 0001171843-26-003727

  10. 6-K · Current report

    Report date 2026-05-21 · 0001370416-26-000011

  11. 6-K · Current report

    Report date 2026-03-31 · 0001370416-26-000008

  12. 6-K · Current report

    Report date 2026-05-14 · 0001171843-26-003440

  13. 6-K · Current report

    Report date 2026-05-07 · 0001171843-26-003180

  14. 6-K · Current report

    Report date 2026-04-30 · 0001171843-26-002880

  15. 6-K · Current report

    Report date 2026-04-23 · 0001171843-26-002681

  16. 20-F · Annual report

    Report date 2025-12-31 · 0001370416-26-000005

  17. 6-K · Current report

    Report date 2026-04-20 · 0001171843-26-002575

  18. 6-K · Current report

    Report date 2026-04-15 · 0001171843-26-002481

  19. 6-K · Current report

    Report date 2026-04-01 · 0001171843-26-002185

  20. 6-K · Current report

    Report date 2026-04-01 · 0001171843-26-002168

  21. 6-K · Current report

    Report date 2026-03-27 · 0001171843-26-001985

  22. 6-K · Current report

    Report date 2026-03-20 · 0001171843-26-001812

  23. 6-K · Current report

    Report date 2026-03-12 · 0001171843-26-001535

  24. 6-K · Current report

    Report date 2026-02-04 · 0001171843-26-000614

  25. 6-K · Current report

    Report date 2026-01-19 · 0001171843-26-000325

  26. 6-K · Current report

    Report date 2026-01-14 · 0001370416-26-000003

  27. 6-K · Current report

    Report date 2026-01-02 · 0001171843-26-000011

  28. 6-K · Current report

    Report date 2025-11-20 · 0001171843-25-007499

  29. 6-K · Current report

    Report date 2025-11-10 · 0001171843-25-007184

  30. 6-K · Current report

    Report date 2025-09-30 · 0001370416-25-000035

  31. 6-K · Current report

    Report date 2025-11-06 · 0001171843-25-007080

  32. 6-K · Current report

    Report date 2025-10-22 · 0001171843-25-006602

  33. 4/A · Ownership change

    Report date 2017-07-19 · 0000899243-20-011879

  34. 4 · Ownership change

    Report date 2017-07-19 · 0000899243-17-018695

  35. 4 · Ownership change

    Report date 2016-06-01 · 0000899243-16-021998

  36. 4 · Ownership change

    Report date 2015-05-08 · 0001209191-15-041870

  37. 4 · Ownership change

    Report date 2013-02-06 · 0001209191-13-007809

  38. 4 · Ownership change

    Report date 2012-12-31 · 0001209191-13-000289

  39. 4 · Ownership change

    Report date 2012-08-18 · 0001209191-12-042674

  40. 4 · Ownership change

    Report date 2012-07-27 · 0001209191-12-039756

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: 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

0 matching transaction rows.

No matching transaction rows in the covered quarter. This does not establish that no insider transactions occurred.

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 · 0001370416WESTPORT FUEL SYSTEMS INC.

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 ↗

  • Westport Fuel Systems · alias · wikidata
  • Westport Innovations · alias · wikidata
  • WESTPORT INNOVATIONS INC · former SEC name · 2006-06-27 to 2016-06-01
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$40.70M$43.32M
2023-12-31$68.15M$74.68M
2022-12-31$305.70M$348.74M
2021-12-31$312.41M$384.92M
2020-12-31$252.50M$325.77M
2019-12-31$305.34M$398.78M
2018-12-31$270.28M$359.40M
2017-12-31$229.83M$313.09M

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

Explore the CPI history ↗