A business in context

FTEK research notebook

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

Research JSON

Filing timeline

Download filings CSV

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

  1. 4 · Ownership change

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

  2. 8-K · Current report

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

  3. 10-Q · Quarterly report

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

  4. 8-K · Current report

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

  5. 8-K · Current report

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

  6. 8-K · Current report

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

  7. 4 · Ownership change

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

  8. 4 · Ownership change

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

  9. 4 · Ownership change

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

  10. 10-Q · Quarterly report

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

  11. 8-K · Current report

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

  12. DEF 14A · Proxy statement

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

  13. 8-K · Current report

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

  14. 4 · Ownership change

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

  15. 4 · Ownership change

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

  16. 4 · Ownership change

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

  17. 4 · Ownership change

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

  18. 10-K · Annual report

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

  19. 8-K · Current report

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

  20. 8-K · Current report

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

  21. 10-Q · Quarterly report

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

  22. 8-K · Current report

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

  23. 10-Q · Quarterly report

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

  24. 8-K · Current report

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

  25. 8-K · Current report

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

  26. 8-K · Current report

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

  27. 10-Q · Quarterly report

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

  28. 8-K · Current report

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

  29. DEF 14A · Proxy statement

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

  30. 8-K · Current report

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

  31. 10-K · Annual report

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

  32. 8-K · Current report

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

  33. 8-K · Current report

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

  34. 8-K · Current report

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

  35. 10-Q · Quarterly report

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

  36. 8-K · Current report

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

  37. 8-K · Current report

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

  38. 10-Q · Quarterly report

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

  39. 8-K · Current report

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

  40. 8-K/A · Current report

    Report date 2024-06-06 · 0001437749-24-021566 · 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: 0 transaction rows0SGrant / award: 3 transaction rows3AExercise / conversion: 0 transaction rows0MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

3 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-06-04
2026-06-05
BAILEY DOUGLAS GA · Grant / award
Acquired
Restricted Stock Units
Derivative security
15000.00.0
2026-06-04
2026-06-05
Jones Sharon LA · Grant / award
Acquired
Restricted Stock Units
Derivative security
15000.00.0
2026-06-04
2026-06-05
ZEITLER DENNIS LA · Grant / award
Acquired
Restricted Stock Units
Derivative security
15000.00.0

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 · 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 2026-09-07 · 1177 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 2026-07 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$25.13M$26.75M
2023-12-31$27.08M$29.68M
2022-12-31$26.94M$30.73M
2021-12-31$24.26M$29.89M
2020-12-31$22.55M$29.09M
2019-12-31$30.47M$39.79M
2018-12-31$56.53M$75.18M
2017-12-31$45.17M$61.53M

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

Explore the CPI history ↗