Fuel Tech, Inc. FTEK

FY2025 · ended Dec 31, 2025 · Revenue $26.68M, +6.1% YoY · Filed Mar 3, 2026

Fuel Tech, Inc. (FTEK) files with the SEC under industry code 3564, Industrial & Commercial Fans & Blowers & Air Purifing Equip. In fiscal 2025, which ended Dec 31, 2025, it reported revenue of $26.7 million and a net loss of $2.3 million. Free cash flow was $2.3 million. As of Sep 30, 2026 it held $27.8 million in cash and investments and $522,000 in total debt.

Revenue (TTM)
$28.49M
+15.3% vs year-ago TTM
Net income (TTM)
$-4.05M
-34.7% vs year-ago TTM
Operating cash flow (TTM)
$-4.98M
-269.6% vs year-ago TTM
Free cash flow (TTM)
$-5.92M
-324.3% vs year-ago TTM
EPS (TTM)
$-0.13
-33.4% vs year-ago TTM
Dividend per share
None
Shares outstanding
30.71M
+0.0% vs prior year
Net cash
$27.26M
as of Sep 30, 2026
Operating margin
-17.9%
FY 2026

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)

Other Industrial & Commercial Fans & Blowers & Air Purifing Equip companies

Key figures

Fiscal-year totals from the annual reports. Balance sheet lines are as of each year end.

Line
FY 2025
Dec 31, 2025
FY 2024
Dec 31, 2024
FY 2023
Dec 31, 2023
FY 2022
Dec 31, 2022
FY 2021
Dec 31, 2021
Revenue
$26.7M
$25.1M
$27.1M
$26.9M
$24.3M
Operating income
-$3.7M
-$4.7M
-$2.7M
-$1.5M
-$1.5M
Net income
-$2.3M
-$1.9M
-$1.5M
-$1.4M
$54,000
Diluted EPS
-$0.08
-$0.06
-$0.05
-$0.05
$0.00
Operating cash flow
$3.0M
-$3.4M
$696,000
-$4.1M
$761,000
Free cash flow
$2.3M
-$3.8M
$278,000
-$4.3M
$677,000
Total assets
$47.2M
$48.8M
$50.4M
$50.1M
$50.0M
Total liabilities
$7.2M
$6.8M
$6.7M
$5.3M
$3.8M
Stockholders' equity
$39.9M
$42.0M
$43.7M
$44.8M
$46.2M
Cash and investments
$31.9M
$29.6M
$33.4M
$32.7M
$35.9M
Total debt
$580,000
$625,000
$614,000
$191,000
$235,000

Recent SEC filings

Recent SEC filings
Form Description Filed Period
10-Q Quarterly report Nov 3, 2026 Sep 30, 2026
8-K Current report
Results of operations
Nov 3, 2026 Nov 3, 2026
8-K Current report
Regulation FD disclosure
Sep 18, 2026 Sep 14, 2026
8-K Current report
Officer or director change
Sep 2, 2026 Aug 27, 2026
10-Q Quarterly report Aug 4, 2026 Jun 30, 2026
8-K Current report
Results of operations
Aug 4, 2026 Aug 4, 2026

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