Fuel Tech, Inc. SEC filings FTEK

Fuel Tech, Inc. has 1,000 filings in SEC EDGAR's recent list, going back to Oct 28, 2003. Its latest annual report, Form 10-K, was filed on Mar 3, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 3, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 3, 2026 (results of operations). The company's fiscal year ends on December 31.

Form Description Filed Period
10-K Annual report Mar 3, 2026 Dec 31, 2025
10-K Annual report Mar 4, 2025 Dec 31, 2024
10-K Annual report Mar 11, 2024 Dec 31, 2023
10-K Annual report Mar 7, 2023 Dec 31, 2022
10-K Annual report Mar 8, 2022 Dec 31, 2021
10-K Annual report Mar 15, 2021 Dec 31, 2020
10-K Annual report Mar 12, 2020 Dec 31, 2019
10-K Annual report Mar 14, 2019 Dec 31, 2018
10-K Annual report Mar 12, 2018 Dec 31, 2017
10-K Annual report Mar 14, 2017 Dec 31, 2016
10-K Annual report Mar 24, 2016 Dec 31, 2015
10-K Annual report Mar 16, 2015 Dec 31, 2014
10-K Annual report Mar 10, 2014 Dec 31, 2013
10-K/A Amended annual report Apr 1, 2013 Dec 31, 2012
10-K Annual report Mar 18, 2013 Dec 31, 2012
10-K Annual report Mar 5, 2012 Dec 31, 2011
10-K Annual report Mar 9, 2011 Dec 31, 2010
10-K Annual report Mar 4, 2010 Dec 31, 2009
10-K Annual report Mar 5, 2009 Dec 31, 2008
10-K Annual report Mar 5, 2008 Dec 31, 2007
10-K Annual report Mar 6, 2007 Dec 31, 2006
10-K Annual report Mar 10, 2006 Dec 31, 2005
ARS Annual report to shareholders May 13, 2005 Dec 31, 2004
10-K Annual report Mar 16, 2005 Dec 31, 2004
10-K/A Amended annual report Apr 13, 2004 Dec 31, 2003
10-K Annual report Mar 15, 2004 Dec 31, 2003

Showing 26 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.

Company profile

Industry
Industrial & Commercial Fans & Blowers & Air Purifing Equip (SIC 3564)
Listed as
FTEK (Nasdaq)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Warrenville, IL
SEC filer status
Non-accelerated filer, Smaller reporting company
SEC CIK
846913
Former names
FUEL TECH N V (until Oct 5, 2006)

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.