Arq, Inc.

Background

Company Name	Arq, Inc.
Stock Symbol	ARQ

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If you suffered a loss on your Arq, Inc. investments or would like to inquire about joining an action to recover your loss under the federal securities laws, please complete the form below. Please note that submission of this form does not by itself form an attorney-client relationship nor does filling out this form mean you have joined any lawsuit.

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Additional Comments

Background

On November 5, 2025, Arq released its third quarter 2025 financial results. Among other items, Arq reported a net loss of $0.7 million, and EPS of -$0.01, missing consensus estimates. Further, the Company disclosed that Arq’s granular activated carbon (“GAC”) facility in Corbin, Kentucky operated “well below capacity, which significantly reduced [the Company’s] financial results,” due to “design issues.” Management revealed it would “now expect to reach full GAC capacity sometime around mid-2026.”

On this news, Arq’s stock price fell $2.25, or 35.4%, to close at $4.10 per share on November 6, 2025, thereby injuring investors.

Then, on March 9, 2026, Arq released its fourth quarter and full year 2025 financial results, reporting a net loss of $50 million, and an EPS of -$0.11, missing consensus estimates. Further, the Company disclosed that it had decided "to pause [its] GAC production project to conduct a comprehensive engineering and production process optimization review” and, as a result, “there will be no GAC production in 2026.” Management further described “fundamental design flaws in the plant.”

On this news, Arq’s stock price fell $1.56, or 48.8%, to close at $1.64 per share on March 10, 2026, thereby injuring investors further.

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