Bragar Eagel & Squire Investigates Potential Claims Against Arq, Inc.
Written by Emily J. Thompson, Senior Investment Analyst
Updated: 1 hour ago
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Should l Buy ARQ?
Source: Globenewswire
- Financial Performance Decline: Arq reported a GAAP loss per share of $1.20 for Q4 2025, significantly missing analyst expectations by $1.14, indicating substantial challenges in profitability that may erode investor confidence.
- Revenue Guidance Miss: The company provided 2026 revenue guidance of $120 million to $125 million, well below the consensus estimate of $136.9 million, reflecting uncertainty in future growth prospects that could impact shareholder investment decisions.
- Production Project Halted: Arq's CEO announced a pause on the granular activated carbon production project to conduct a comprehensive engineering and production process optimization review, lacking a firm timeline for completion, which may further disadvantage the company in market competition.
- Stock Price Plummet: Following the financial disclosures, Arq's stock price fell by $1.56, or 48.75%, closing at $1.64 on March 10, 2026, indicating strong market concerns about the company's outlook and potentially triggering more legal actions from investors.
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Analyst Views on ARQ
Wall Street analysts forecast ARQ stock price to rise
3 Analyst Rating
3 Buy
0 Hold
0 Sell
Strong Buy
Current: 2.070
Low
7.50
Averages
7.75
High
8.00
Current: 2.070
Low
7.50
Averages
7.75
High
8.00
About ARQ
Arq, Inc. is a diversified environmental technology. The Company is a vertically integrated producer of activated carbon products in North America. It is engaged in the sale of consumable air, water, and soil treatment solutions, primarily based on activated carbon (AC). It manufactures and sells AC and other chemicals used to capture and remove impurities, contaminants and pollutants for the coal-fired power generation, industrial, water treatment, and water and soil remediation markets, which it collectively refers to as the advanced purification technologies (APT) market. Its AC products include both powdered activated carbon and granular activated carbon. It also owns the Five Forks Mine, a lignite coal mine that supplies the primary raw material for the manufacturing of its products. Its products are used to purify contaminated liquid, soil, and gas streams from a variety of industrial sources, including wastewater treatment plants, coal-fired power plants and other end markets.
About the author

Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
- Financial Performance Decline: Arq, Inc. reported a GAAP loss per share of $1.20 for Q4 2025, missing analyst expectations by $1.14, indicating a severe deterioration in financial health that could undermine investor confidence.
- Revenue Guidance Miss: The company provided 2026 revenue guidance of $120 million to $125 million, significantly below the consensus estimate of $136.9 million, reflecting uncertainty in future performance and potentially leading to further stock price declines.
- Production Project Halted: Arq's CEO announced a pause on the granular activated carbon production project to conduct a comprehensive engineering and production process optimization review, lacking a firm timeline for completion, which may impact the company's long-term strategy and market competitiveness.
- Stock Price Plunge: Following the financial report and production halt announcement, Arq's stock price fell by $1.56, or 48.75%, closing at $1.64 on March 10, 2026, indicating strong market concerns regarding the company's outlook.
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- Strategic Shift: CEO Robert Rasmus announced a pause in granular activated carbon (GAC) production to conduct a comprehensive engineering and production process optimization review, indicating no GAC production in 2026 due to design flaws and unresolved technical challenges, which may impact the company's future market competitiveness.
- Financial Loss: The company recorded a $45 million write-down on Corbin assets this quarter, reflecting operational idling due to the switch to purchasing bituminous coal for GAC feedstock; although this is a non-cash charge, it still exerts pressure on financial health with a net loss of $50 million.
- Revenue Growth: The PAC business achieved approximately $120 million in full-year revenue, a 10% year-over-year increase, with adjusted EBITDA of $13.2 million, representing a 26% improvement over 2024, demonstrating stability and profitability in core operations despite the GAC project's suspension potentially affecting future growth.
- 2026 Outlook: Management provided its first-ever financial guidance for 2026, projecting revenue between $120 million and $125 million and adjusted EBITDA of $17 million to $20 million, reflecting confidence in the PAC business, although the lack of GAC contribution may limit overall growth potential.
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- Quarterly Loss Report: Arq reported a GAAP loss per share of $1.20 for Q4 2025, missing analyst estimates by $1.14, which led to a significant drop in stock price, indicating market concerns over the company's profitability.
- Modest Revenue Growth: Although revenue increased by 8.7% year-over-year to $29.4 million, slightly exceeding consensus estimates by $0.81 million, profitability weakened considerably as adjusted EBITDA fell to $0.3 million from $3.8 million a year earlier, highlighting increased cost pressures.
- Weak 2026 Guidance: The company issued its first detailed financial guidance for 2026, projecting revenue between $120 million and $125 million, well below the consensus estimate of $136.9 million, indicating uncertainty in future growth prospects.
- Investor Confidence Shaken: The disappointing outlook has rattled investors, causing Arq's stock to plummet sharply following the announcement, reflecting concerns over the company's financial health and potentially impacting its long-term financing capabilities.
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- Financial Overview: Arq, Inc. reported a Q4 loss of $50.03 million, translating to a loss of $1.20 per share, which is a significant deterioration from last year's loss of $1.34 million or $0.03 per share, indicating increased financial pressure on the company.
- Revenue Growth: Despite the worsening losses, the company saw an 8.8% year-over-year revenue increase in Q4, reaching $29.43 million compared to $27.04 million last year, suggesting that Arq still possesses some sales capability in the market.
- Earnings Per Share Comparison: Arq's EPS dropped from -$0.03 to -$1.20 compared to last year, reflecting significant challenges in cost control and profitability enhancement, which may impact investor confidence.
- Overall Financial Health: The earnings report indicates that while revenue is growing, the ongoing losses could raise concerns among investors regarding the company's future sustainability, potentially affecting its stock performance and market trust.
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- Revenue Growth: Arq reported total revenue of $29.4 million for Q4 2025, reflecting a 9% increase driven primarily by enhanced volumes and pricing, although overall profitability was impacted by rising costs.
- Widening Net Loss: The company recorded a net loss of $52.6 million for FY 2025, a significant increase from a net loss of $5.1 million in FY 2024, with Q4 net loss reaching $50 million compared to $1.3 million in Q4 2024.
- GAC Production Pause: Arq has decided to pause GAC production to conduct a comprehensive engineering and production process optimization review, addressing current thermal oxidizer capacity limitations, which can only support 15 million pounds annually, far below the target of 25 million pounds.
- Executive Change: The company announced that CFO Jay Voncannon is leaving immediately, with Stacia Hansen stepping in as principal financial officer while continuing her role as Chief Accounting Officer, a leadership change that may impact future financial strategies.
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- Significant Revenue Growth: Arq generated $120.3 million in revenue for FY 2025, a 10% increase year-over-year, primarily driven by product mix optimization and overall volume growth, demonstrating the company's competitive strength and growth potential in the market.
- Improved Adjusted EBITDA: The company reported an Adjusted EBITDA of $13 million for 2025, reflecting a 26% improvement from the previous year despite the negative impact of GAC start-up costs, indicating ongoing efforts in operational efficiency and cost control.
- GAC Production Pause: Arq has decided to pause GAC production to conduct a comprehensive engineering and production process optimization review, with no GAC production expected in FY 2026; this strategic adjustment aims to ensure the feasibility and economic returns of future investments.
- Leadership Changes: The appointment of industry veteran Eric Robinson as VP of Operations and the reorganization of the finance team underscore the company's commitment to enhancing operational capabilities during the optimization of PAC business and GAC strategy review, reflecting a focus on future growth.
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