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Arq, Inc. (ARQ) Form 8-K — Nov 4, 2026

$ARQForm 8-KItems 2.02, 9.01Filed Nov 4, 2026, 4:41 PM ET0001515156-26-000137Original filing

Arq, Inc. reported record Q3 2026 revenue of $38.2 million, up 9% year over year, and swung to net income of $2.5 million ($0.06 per diluted share) from a loss of $0.9 million a year ago. Adjusted EBITDA rose 71% to $8.8 million, marking the company's tenth consecutive positive quarter, with gross margin expanding roughly 1,100 basis points to 39.7% on strength in its core powdered activated carbon business. Arq raised the low end of its FY2026 Adjusted EBITDA guidance to $19-20 million from $17-20 million, reiterated revenue guidance of $120-125 million, and highlighted successful initial customer testing of its PAC for PFAS™ products ahead of the EPA's April 2027 monitoring deadline.

Key figures

Eps
0.06
Revenue
38200000
Guidance
FY2026 Adjusted EBITDA raised to $19-20 million (from $17-20 million); revenue reiterated at $120-125 million; capex $8-10 million
Net Income
2500000
Total Debt
28200000
Revenue Yoy
9%
Cash Position
19100000
Capex q3
1000000
Gross margin q3
39.7%
Restricted cash
11300000
Unrestricted cash
7800000
Adjusted ebitda q3
8800000
Gross margin yoy change
~1,100 bps vs 28.8%
Adjusted ebitda yoy growth
71%
Consecutive positive adj ebitda quarters
10

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