ARQ

⬣ Investigation

Arq, Inc.

Securities Investigation

Investigation in Progress — No Complaint Filed Yet

BG&G is actively investigating potential securities fraud claims against Arq, Inc.. If a complaint is filed, this page will be updated. Investors are encouraged to contact us now to preserve their rights.

Why Is Arq, Inc. (ARQ) Under Investigation?

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.

What Potential Securities Violations Is BG&G Investigating?

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 Should Arq, Inc. (ARQ) Investors Do?

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

How Did Arq, Inc. (ARQ) Stock React?

How Does BG&G Help Investors in Securities Fraud Investigations?

We represent investors in class actions on a contingency fee basis. That means we will ask the court to reimburse us for out-of-pocket expenses and attorneys' fees, usually a percentage of the total recovery, only if we are successful.

Bronstein, Gewirtz & Grossman, LLC is a nationally recognized firm that represents investors in securities fraud class actions and shareholder derivative suits. Our firm has recovered hundreds of millions of dollars for investors nationwide.

“Our practice centers on restoring investor capital and ensuring corporate accountability, which serves to uphold the essential integrity of the marketplace.”
— Peretz Bronstein, Founding Partner