Arq, Inc. (ARQ) Cash Flow Statement

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

Where ARQ’s cash came from and went, FY2025

September 30, 2025 · U.S. dollars
Cash from operations
−$2.5M
−123.7% vs FY2024
Capital expenditures
$8.6M
7.1% of revenue
Free cash flow
−$11.1M
−9.2% margin
Returned to shareholders
$66,000
Change in cash
−$6.9M
cash at year-end $6.6M
Borrowing: $3.8MBorrowing$3.8MDrawn from cash: $6.9MDrawn from cash$6.9MAcquisitions & other, Currency & other: $416,000Other sources$416,000Capital expenditures: $8.6MCapital expenditures$8.6M · 77%Cash used in operations: $2.5MCash used in operations$2.5M · 22%Share buybacks: $66,000Share buybacks$66,000 · 1%$11.1M
Cash from operations
−$2.5M
Capital expenditures
−$8.6M
Acquisitions & other
+$164,000
Share buybacks (net)
−$66,000
Net borrowing (repayment)
+$3.8M
Currency & other
+$252,000
Change in cash
−$6.9M

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

ARQ operating cash flow, capex and free cash flow

Operating cash flowCapital expendituresFree cash flowFCF margin (right axis)

ARQ cash flow trends, FY2016–FY2025

Arq, Inc. cash flow trends
MetricTrendThenLatestChange
Operating cash flow$20.0MFY2016−$2.5MFY2025—
Capital expenditures$289,000FY2016$8.6MFY2025+45.7%/yr
Free cash flow$19.7MFY2016−$11.1MFY2025—
Free cash flow margin38.9%FY2016−9.2%FY2025−48.1 pts
Operating cash flow / net income0.21FY20160.43FY2021+0.22
Stock-based compensation$2.0MFY2019$3.4MFY2025+8.9%/yr
Dividends paid$15.7MFY2017$0FY2023−100.0%
Share buybacks (net)$196,000FY2016$66,000FY2025−11.4%/yr
Capex / revenue0.6%FY20167.1%FY2025+6.6 pts

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

ARQ cash flow by activity

OperatingInvestingFinancingChange in cash

ARQ 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).

ARQ cash flow statement

Arq, Inc. annual cash flow statement
FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Operating activities
Net income−$52.6M−$5.1M−$12.2M−$8.9M$60.4M−$20.3M$35.5M$35.3M$27.7M$96.6M
Depreciation & amortization$11.7M$8.6M$10.5M$6.4M$7.9M$8.5M$7.4M$723,000$789,000$979,000
Stock-based compensation$3.4M$2.7M$2.6M$2.0M$1.9M$2.5M$2.0M———
Change in working capital−$10.2M$276,000−$16.5M−$7.5M−$5.8M−$790,000−$1.5M$36,000−$12.5M−$12.5M
Other non-cash items$45.3M$4.0M−$1.1M$2.0M−$38.5M$64.1M$18.9M$1.2M$21.1M−$65.0M
Cash from operating activities−$2.5M$10.5M−$16.7M−$6.1M$26.0M$54.0M$62.3M$37.3M$37.1M$20.0M
Investing activities
Capital expenditures−$8.6M−$85.2M−$27.5M−$8.9M−$6.2M−$6.7M−$7.9M−$467,000−$428,000−$289,000
Investments (net)—−$85.1M−$28.5M−$4.6M$44.4M−$7.5M————
Acquisitions & other investing$164,000$85.2M$27.5M$8.9M$6.2M$6.7M−$5.4M−$63.3M−$61,000$1.9M
Cash from investing activities−$8.4M−$85.1M−$28.5M−$4.6M$44.4M−$7.5M−$13.2M−$63.7M−$489,000$1.6M
Financing activities
Dividends paid——$0−$45,000−$93,000−$5.0M−$18.3M−$20.2M−$15.7M—
Share repurchases & issuance (net)−$66,000−$1.1M−$230,000−$388,000−$246,000−$696,000−$6.2M−$26.1M−$17.0M−$196,000
Net borrowing (repayment)$3.8M$2.3M$6.9M−$1.2M−$17.2M—————
Shares issued$0$42.4M$16.2M$0$0$0$0$0$0$0
Other financing$0−$853,000$0$0$0−$22.1M−$31.2M$65.8M−$236,000−$15.5M
Cash from financing activities$3.7M$42.7M$22.9M−$1.7M−$17.5M−$27.7M−$55.7M$19.5M−$32.9M−$15.7M
Summary
Net change in cash−$6.9M−$31.9M−$22.3M−$12.3M$52.8M$18.9M−$6.7M−$12.1M$3.7M$6.0M
Cash at end of period$6.6M$22.2M$54.2M$76.4M$88.8M$35.9M$17.1M$18.6M$30.7M$26.9M
Free cash flow−$11.1M−$74.7M−$44.2M−$15.0M$19.8M$47.4M$54.4M$36.8M$36.7M$19.7M
Free cash flow margin−9.2%−68.6%−44.5%−14.5%19.7%70.3%77.6%153.8%80.9%38.9%
Capex / revenue7.1%78.2%27.7%8.7%6.2%9.9%11.2%2.0%0.9%0.6%
Operating cash flow / net income————0.43—1.751.061.340.21

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.

ARQ cash generation

In fiscal 2025 (ended September 30, 2025), Arq generated -$2.5 million of cash from operations (down 123.7%) and spent $8.6 million on capital expenditures, leaving free cash flow of -$11.1 million, −9.2% of revenue. It returned $0.1 million to shareholders through dividends ($0) and net share buybacks ($0.1 million). Cash and equivalents fell by $6.9 million over the year.

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

ARQ cash flow FAQ

What is Arq's free cash flow?

Arq's free cash flow was -$11.1 million in fiscal 2025: -$2.5 million of operating cash flow minus $8.6 million of capital expenditures It was -$74.7 million a year earlier..

How much cash does Arq generate from operations?

Arq generated -$2.5 million of cash from operating activities in fiscal 2025.

How much does Arq spend on capital expenditures?

Arq spent $8.6 million on capital expenditures in fiscal 2025, 7.1% of revenue, compared with $85.2 million the year before.

How much stock does Arq buy back?

Arq spent $0.1 million on net share repurchases in fiscal 2025.

Pollution & Treatment Controls: cash flow