8-K: Arq, Inc. Reports Q1 2026 Results, Revenue Up, Net Loss Widens

Arq, Inc. announced its first quarter 2026 financial results, reporting a revenue increase to $29.1 million but a net loss of $0.8 million, compared to a net income of $0.2 million in the prior year.

Summary

• Arq, Inc. reported first quarter 2026 revenue of $29.1 million, an increase from $27.2 million in the first quarter of 2025, driven by higher sales volumes.
• Gross margin decreased to 34.2% from 36.4% year-over-year, impacted by lower pricing due to product mix, an inventory revaluation charge, and other costs.
• The company reported a net loss of $0.8 million for Q1 2026, a shift from a net income of $0.2 million in Q1 2025.
• Adjusted EBITDA was $2.7 million in Q1 2026, down from $4.1 million in Q1 2025, with the current quarter's figure negatively impacted by an $0.8 million non-cash inventory revaluation charge.
• Cash and restricted cash at the end of Q1 2026 was $15.9 million.
• Full year 2026 guidance was reaffirmed, with expected revenue between $120 - $125 million and Adjusted EBITDA of $17 - $20 million.
• The strategic optimization review for GAC production is ongoing, with initial results expected by Q3 2026.
• Progress continues in asphalt testing with a leading U.S. partner, with Corbin wetcake showing differentiated performance.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral to slightly negative sentiment due to the reported net loss and decreased Adjusted EBITDA, despite revenue growth and reaffirmed guidance. The impact of the inventory revaluation and ongoing GAC optimization review introduce uncertainty.

Positives

• Revenue increased by 7% to $29.1 million in Q1 2026 compared to $27.2 million in Q1 2025, driven by increased sales volumes.
• The biennial plant turnaround and maintenance was completed under budget in April 2026.
• Board and management ownership increased to over 20% of the company.
• Testing of Corbin wetcake in asphalt applications is progressing to small-in-field paving tests.
• Full year 2026 revenue guidance of $120 - $125 million and Adjusted EBITDA of $17 - $20 million was reaffirmed.

Negatives

• Gross margin declined to 34.2% in Q1 2026 from 36.4% in Q1 2025, due to decreased pricing from product mix and an inventory revaluation charge.
• The company reported a net loss of $0.8 million in Q1 2026, compared to a net income of $0.2 million in Q1 2025.
• Adjusted EBITDA decreased to $2.7 million in Q1 2026 from $4.1 million in Q1 2025.
• Selling, general and administrative expenses increased to $7.4 million from $6.1 million year-over-year.
• Total debt, including financing leases, increased to $30.2 million from $28.5 million.

Risks

• The GAC optimization review is ongoing, with potential capital requirements and timing still being refined.
• Decreased pricing due to product mix impacted gross margins.
• An $0.8 million non-cash inventory revaluation charge negatively affected Adjusted EBITDA.
• Forward-looking statements involve risks and uncertainties that could cause actual results to differ materially.
• Potential for increased costs related to insurance, recruiting, and legal fees.
• The company faces risks related to debt financing and its ability to access future financing on favorable terms.
• Disruptions at facilities, including from natural disasters or extreme weather, pose a risk.
• The company is subject to risks associated with intellectual property infringement claims.

Future Outlook

Arq, Inc. reaffirmed its full year 2026 guidance, expecting revenue between $120 million and $125 million and Adjusted EBITDA between $17 million and $20 million. The company aims to complete its GAC strategic optimization review and establish a go-forward strategy by Q3 2026. Progress is being made in asphalt testing and discussions regarding the monetization of the Corbin Facility.

Management Comments

• "The first quarter provided a solid foundation for the year ahead and underscored the continued transformation of our PAC business. Sales increased year-over-year, and gross margins in January and February were exceptionally strong reflecting a business no longer carrying the full burden of GAC production costs."
• "While a March inventory revaluation charge and the carry-over of the remaining GAC costs impacted reported results, underlying performance in the first two months reflects a clear normalization of margins."
• "We remain confident in reiterating our full year 2026 guidance of revenue between $120 - $125 million and Adjusted EBITDA of $17 - $20 million."
• "Our GAC optimization review remains underway with two design partners. While we are moving with urgency, we want to take the time necessary to deliver a functional design, a construction and production time frame and a fully costed plan."
• "We believe we have a profitable core business, multiple compelling avenues for growth, and a clear responsibility to pursue those opportunities in a manner that maximizes shareholder value."
• "We are more aligned with shareholders than ever, with our Board and management team now collectively owning more than 20% of the Company following meaningful recent share purchases."

Industry Context

StockSavvy.ai notes that Arq, Inc.'s results reflect the ongoing challenges and strategic shifts within the activated carbon market, particularly concerning GAC production optimization and the impact of environmental regulations like the EPA's PFAS monitoring deadline. The company's focus on its PAC business and exploration of new applications like asphalt demonstrate a strategy to diversify and capitalize on evolving market demands.

Stakeholder Impact

• Shareholders: Management's increased ownership and stated commitment to maximizing shareholder value may be viewed positively, but the net loss and reduced profitability could be a concern.
• Employees: Completion of plant maintenance under budget and ongoing business transformation may indicate stability, but financial performance could impact future employment opportunities.
• Suppliers/Creditors: Increased revolving credit facility borrowings and overall debt levels may impact the company's financial flexibility and relationships with creditors.

Next Steps

• Complete the strategic optimization review for GAC production and establish a go-forward strategy by Q3 2026.
• Advance asphalt testing with Corbin wetcake to small-in-field paving trials.
• Continue active discussions with multiple parties regarding potential monetization of the Corbin Facility and related technologies.
• Evaluate incremental activated carbon growth alternatives, such as adding reactivation or acid washing capacity.

Key Dates

Recommendation

The company shows revenue growth and reaffirms full-year guidance, indicating operational stability in its PAC business. However, the reported net loss, decreased gross margins, and lower Adjusted EBITDA, coupled with the ongoing GAC optimization review and associated uncertainties, warrant a cautious approach. The increased management ownership is a positive signal, but the financial performance requires closer monitoring before a more aggressive stance can be taken.

Keywords

activated carbon, GAC, financial results, revenue, Adjusted EBITDA, Q1 2026, environmental products, purification