ARQ, INC. INVESTOR ALERT: Kirby McInerney LLP Announces Investigation Into Potential Securities Fraud

NEW YORK--(BUSINESS WIRE)--The law firm of Kirby McInerney LLP is investigating potential claims against Arq, Inc. (“Arq” or the “Company”) (NASDAQ:ARQ). The investigation concerns whether the Company and/or members of its senior management may have violated federal securities laws or engaged in other unlawful business practices. [LEARN MORE ABOUT THE INVESTIGATION] What Happened? On March 9, 2026, Arq announced that it decided to “pause GAC production to conduct a comprehensive engineering and.