ATLANTA, GA (Globe Newswire – March 10, 2026) — Holzer & Holzer, LLC is investigating whether Arq, Inc. (“Arq” or the “Company”) (NASDAQ: ARQ) complied with federal securities laws. On March 9, 2026, Arq announced its decision to “pause GAC production to conduct a comprehensive engineering and production process optimization review of the path forward for the Company’s GAC business. As a result, the Company does not expect any GAC production in fiscal year 2026.” The price of the Company’s stock dropped following this news.

If you purchased Arq stock and suffered a loss on that investment, you are encouraged to contact Corey Holzer, Esq. at cholzer@holzerlaw.com or Joshua Karr, Esq. at jkarr@holzerlaw.com, call our toll-free number at (888) 508-6832, or visit our website at www.holzerlaw.com/case/arq/ to discuss your legal rights.