Bronstein, Gewirtz & Grossman, LLC is investigating potential claims on behalf of purchasers of Arq, Inc. (“Arq” or “the Company”) (NASDAQ: ARQ). Investors who purchased Arq securities are encouraged to obtain additional information and assist the investigation.

The investigation concerns whether Arq has violated federal securities laws.

Arq Investigation Details

On March 9, 2026, Arq announced that it had decided 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.” Following this news, Arq’s stock price dropped.

What’s Next for Arq Investors?

If you are aware of any facts relating to this investigation or purchased Arq securities, you can assist this investigation. You can also contact Peretz Bronstein or his client relations manager, Nathan Miller, of Bronstein, Gewirtz & Grossman, LLC: 917-590-0911