Filing Flows › Arq (ARQ) › Q3 2025
Arq (ARQ) Q3 2025 earnings results (third quarter 2025)
10-Q filed Nov 5, 2025
Arq (ARQ) reported revenue of $35.1M for the third quarter 2025 (Q3 2025), +0.9% from a year earlier and +23% from the quarter before. Operating margin was -2.4%, net loss $653K (1.9% of revenue).
Arq, Q3 2025: revenue $35.1M (+0.9% year over year), operating margin -2.4%, net loss $653K, operating cash flow $5.3M. The chart follows the revenue to costs, profit and cash.
| Q3 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $35.1M | +23% | +0.9% |
| Operating profit | −$839K | — | — |
| Net earnings | −$653K | — | — |
| Operating cash flow | $5.3M | +906% | -31% |
| Free cash flow | $3.1M | — | — |
What changed
Revenue was $35.1M in Q3 2025, up 1% year over year and up 23% from the previous quarter.
Operating costs exceeded revenue by $839K, an operating margin of -2.4%. Total costs grew 10% against revenue growth of 1%. The fastest-growing cost line was Research & development (+226%). The quarter ended with a net loss of $653K, narrower than the previous quarter's $2.1M loss. Non-operating items added $186K, -28% of pre-tax earnings, so the bottom line overstates operating performance.
Operating cash flow was $5.3M (down 31% year over year). Non-cash charges added back $3.8M of depreciation and amortization and $1.1M of share-based compensation. Working capital and other items added $1.1M. Capital expenditures of $2.2M left free cash flow of $3.1M.
Questions
What was Arq's revenue in the third quarter 2025?
Arq (ARQ) reported revenue of $35.1M for the third quarter 2025 (Q3 2025), +0.9% from a year earlier and +23% from the quarter before.
Was Arq profitable in the third quarter 2025?
Operating loss was $839K (-2.4% of revenue) and net loss $653K.
Source: Arq 10-Q on SEC EDGAR.