A business in context

FTEK 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 2026-10-24 · 8022 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 8-K · Current report

    Report date 2026-09-14 · 0001437749-26-030744 · Items 7.01,9.01

  2. 4 · Ownership change

    Report date 2026-09-01 · 0001437749-26-029608

  3. 8-K · Current report

    Report date 2026-08-27 · 0001437749-26-029510 · Items 5.02

  4. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001437749-26-025711

  5. 8-K · Current report

    Report date 2026-08-04 · 0001437749-26-025707 · Items 2.02,9.01

  6. 8-K · Current report

    Report date 2026-07-31 · 0001437749-26-025704 · Items 5.02,9.01

  7. 8-K · Current report

    Report date 2026-06-04 · 0001437749-26-019829 · Items 5.07

  8. 4 · Ownership change

    Report date 2026-06-04 · 0001437749-26-019745

  9. 4 · Ownership change

    Report date 2026-06-04 · 0001437749-26-019744

  10. 4 · Ownership change

    Report date 2026-06-04 · 0001437749-26-019743

  11. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001437749-26-014907

  12. 8-K · Current report

    Report date 2026-05-05 · 0001437749-26-014902 · Items 2.02,9.01

  13. DEF 14A · Proxy statement

    Report date 2026-06-04 · 0001437749-26-012157

  14. 8-K · Current report

    Report date 2026-03-24 · 0001437749-26-010084 · Items 5.02,9.01

  15. 4 · Ownership change

    Report date 2026-03-24 · 0001437749-26-010082

  16. 4 · Ownership change

    Report date 2026-03-24 · 0001437749-26-010081

  17. 4 · Ownership change

    Report date 2026-03-24 · 0001437749-26-010080

  18. 4 · Ownership change

    Report date 2026-03-06 · 0001437749-26-007356

  19. 10-K · Annual report

    Report date 2025-12-31 · 0001437749-26-006623

  20. 8-K · Current report

    Report date 2026-03-03 · 0001437749-26-006620 · Items 2.02,9.01

  21. 8-K · Current report

    Report date 2025-12-11 · 0001437749-25-037724 · Items 5.02,9.01

  22. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001437749-25-033043

  23. 8-K · Current report

    Report date 2025-11-04 · 0001437749-25-033042 · Items 2.02,9.01

  24. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001437749-25-024873

  25. 8-K · Current report

    Report date 2025-08-05 · 0001437749-25-024872 · Items 2.02,9.01

  26. 8-K · Current report

    Report date 2025-06-05 · 0001437749-25-019974 · Items 5.07

  27. 8-K · Current report

    Report date 2025-05-21 · 0001437749-25-018151 · Items 7.01,9.01

  28. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001437749-25-016135

  29. 8-K · Current report

    Report date 2025-05-12 · 0001437749-25-016134 · Items 2.02,9.01

  30. DEF 14A · Proxy statement

    Report date 2025-06-05 · 0001437749-25-012519

  31. 8-K · Current report

    Report date 2025-03-27 · 0001437749-25-010722 · Items 5.02,9.01

  32. 10-K · Annual report

    Report date 2024-12-31 · 0001437749-25-006116

  33. 8-K · Current report

    Report date 2025-03-04 · 0001437749-25-006115 · Items 2.02,9.01

  34. 8-K · Current report

    Report date 2024-12-12 · 0001437749-24-037473 · Items 5.02,9.01

  35. 8-K · Current report

    Report date 2024-12-02 · 0001437749-24-036693 · Items 7.01,9.01

  36. 10-Q · Quarterly report

    Report date 2024-09-30 · 0001437749-24-033640

  37. 8-K · Current report

    Report date 2024-11-06 · 0001437749-24-033639 · Items 2.02,9.01

  38. 8-K · Current report

    Report date 2024-08-27 · 0001437749-24-027843 · Items 7.01,9.01

  39. 10-Q · Quarterly report

    Report date 2024-06-30 · 0001437749-24-024919

  40. 8-K · Current report

    Report date 2024-08-06 · 0001437749-24-024917 · Items 2.02,9.01

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-23 · 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: 1 transaction rows1PSale: 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

1 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-09-01
2026-09-03
Nuggihalli RameshP · Purchase
Acquired
Common Stock1470.531.36

Identity & relationships

Wikidata structured data · retrieved 2026-10-23 · 1658 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 · 0000846913FUEL TECH, 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 2026-10-23 · 1197 checked identities; 0 unavailable records

Search names and former names
  • FUEL TECH N V · former SEC name · 1997-06-16 to 2006-10-05

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$25.13M$27.00M
2023-12-31$27.08M$29.94M
2022-12-31$26.94M$31.01M
2021-12-31$24.26M$30.16M
2020-12-31$22.55M$29.36M
2019-12-31$30.47M$40.15M
2018-12-31$56.53M$75.86M
2017-12-31$45.17M$62.08M

Bureau of Labor Statistics · retrieved 2026-10-23 · 9 selected series; gaps remain missing

Explore the CPI history ↗