Fuel Tech, Inc. (FTEK) Cash Flow Statement

NASDAQ: FTEKOperating cash, capex, free cash flow and buybacks.

Where FTEK’s cash came from and went, 2025

December 31, 2025 · U.S. dollars
Cash from operations
$3.0M
Capital expenditures
$674,000
2.5% of revenue
Free cash flow
$2.3M
8.8% margin
Returned to shareholders
—
Change in cash
$3.4M
cash at year-end $11.9M
Cash from operations: $3.0MCash from operations$3.0MInvestments (net): $1.2MInvestments (net)$1.2MCurrency & other: $90,000Currency & other$90,000Capital expenditures: $674,000Capital expenditures$674,000 · 16%Other financing: $222,000Other financing$222,000 · 5%Added to cash: $3.4MAdded to cash$3.4M · 79%$4.3M
Cash from operations
$3.0M
Capital expenditures
−$674,000
Investments (net)
+$1.2M
Other financing
−$222,000
Currency & other
+$90,000
Change in cash
$3.4M

Drawn to scale: where the cash came from and how it was used. Hover for values.

FTEK operating cash flow, capex and free cash flow

Operating cash flowCapital expendituresFree cash flowFCF margin (right axis)

FTEK cash flow trends, 2016–2025

Fuel Tech, Inc. cash flow trends
MetricTrendThenLatestChange
Operating cash flow−$2.7M2016$3.0M2025—
Capital expenditures$940,0002016$674,0002025−3.6%/yr
Free cash flow−$3.7M2016$2.3M2025—
Free cash flow margin−6.7%20168.8%2025+15.4 pts
Operating cash flow / net income57.96201814.092021−43.87
Stock-based compensation$2.0M2016$326,0002025−18.2%/yr
Dividends paid$02016$1.3M2020—
Share buybacks (net)$172,0002016$95,0002024−7.2%/yr
Capex / revenue1.7%20162.5%2025+0.8 pts

Change is the average annual growth (CAGR) or the difference between the first and latest year.

FTEK cash flow by activity

OperatingInvestingFinancingChange in cash

FTEK net income vs operating cash flow

Net incomeOperating cash flow

Operating cash flow above net income usually means earnings are backed by cash (depreciation and stock-based pay are non-cash expenses).

FTEK cash flow statement

Fuel Tech, Inc. annual cash flow statement
2025202420232022202120202019201820172016
Operating activities
Net income−$2.3M−$1.9M−$1.5M−$1.4M$54,000−$4.3M−$7.9M$85,000−$7.1M−$17.4M
Depreciation & amortization$699,000$460,000$342,000$440,000$741,000$848,000$996,000$847,000$1.5M$3.5M
Stock-based compensation$326,000$446,000$389,000$224,000$82,000$290,000$574,000$233,000$1.4M$2.0M
Change in working capital$4.4M−$2.3M$1.9M−$3.3M$2.0M$1.3M$2.1M$3.4M−$1.0M$5.1M
Other non-cash items−$49,000−$132,000−$428,000−$73,000−$2.1M−$872,000$763,000$353,000$1.6M$4.0M
Cash from operating activities$3.0M−$3.4M$696,000−$4.1M$761,000−$2.7M−$3.4M$4.9M−$3.6M−$2.7M
Investing activities
Capital expenditures−$674,000−$378,000−$418,000−$206,000−$84,000−$247,000−$550,000−$570,000−$492,000−$940,000
Investments (net)$1.2M−$5.4M−$9.7M−$9.5M−$84,000−$247,000−$45,000−$569,000−$490,000−$938,000
Acquisitions & other investing$0$378,000$3.7M$206,000$84,000$247,000$550,000$570,000$492,000$940,000
Cash from investing activities$545,000−$5.4M−$6.4M−$9.5M−$84,000−$247,000−$45,000−$569,000−$490,000−$938,000
Financing activities
Dividends paid—————−$1.3M——$0$0
Share repurchases & issuance (net)—−$95,000—−$17,000−$52,000−$570,000−$128,000−$12,000−$258,000−$172,000
Net borrowing (repayment)————$0$1.6M$1.6M$1.6M$1.6M−$6.0M
Shares issued$0$0$0$0$25.8M$0$0$0$0$0
Other financing−$222,000$0$42,000$0−$1.8M$1.6M−$1.6M−$1.6M−$1.6M$0
Cash from financing activities−$222,000−$95,000$42,000−$17,000$24.0M$1.3M−$128,000−$12,000−$258,000−$6.2M
Summary
Net change in cash$3.4M−$9.1M−$5.8M−$13.7M$24.4M−$895,000−$4.6M$3.7M−$3.5M−$9.9M
Cash at end of period$11.9M$8.5M$17.6M$23.3M$37.1M$12.6M$13.5M$18.1M$8.4M$11.8M
Free cash flow$2.3M−$3.8M$278,000−$4.3M$677,000−$3.0M−$3.9M$4.4M−$4.1M−$3.7M
Free cash flow margin8.8%−15.2%1.0%−16.1%2.8%−13.1%−12.9%7.7%−9.0%−6.7%
Capex / revenue2.5%1.5%1.5%0.8%0.3%1.1%1.8%1.0%1.1%1.7%
Operating cash flow / net income————14.09——57.96——

Negative numbers are cash paid out. Quarterly columns are labeled by the month the quarter ended. Figures in U.S. dollars as reported; data from EODHD.

FTEK cash generation

In fiscal 2025 (ended December 31, 2025), Fuel Tech generated $3.0 million of cash from operations and spent $0.7 million on capital expenditures, leaving free cash flow of $2.3 million, 8.8% of revenue. Cash and equivalents rose by $3.4 million over the year.

Related: FTEK income statement, FTEK balance sheet. See the FTEK stock overview for the latest quote and news.

FTEK cash flow FAQ

What is Fuel Tech's free cash flow?

Fuel Tech's free cash flow was $2.3 million in fiscal 2025: $3.0 million of operating cash flow minus $0.7 million of capital expenditures It was -$3.8 million a year earlier..

How much cash does Fuel Tech generate from operations?

Fuel Tech generated $3.0 million of cash from operating activities in fiscal 2025.

How much does Fuel Tech spend on capital expenditures?

Fuel Tech spent $0.7 million on capital expenditures in fiscal 2025, 2.5% of revenue, compared with $0.4 million the year before.

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