Bronstein, Gewirtz & Grossman LLC Urges Quantum Biopharma Ltd. Investors to Act: Class Action Filed Alleging Investor Harm
Quantum Biopharma Ltd. - Class B Subordinate Voting Shares (QNTM)
Company Research
Source: GlobeNewswire
NEW YORK, Dec. 25, 2025 (GLOBE NEWSWIRE) -- Bronstein, Gewirtz & Grossman, LLC, a nationally recognized investor-rights law firm, announces that a class action lawsuit has been filed against Canadian Imperial Bank of Commerce (“CIBC”) and Royal Bank of Canada (“RBC”), and their broker-dealer subsidiaries (together, the “Defendants”). The action alleges that Defendants defrauded investors by placing and executing manipulative trades designed to artificially deflate the price of Quantum Biopharma Ltd. (“Quantum”) (NASDAQ: QNTM) securities. This lawsuit seeks to recover damages against Defendants for alleged violations of the federal securities laws on behalf of all persons and entities that sold Quantum securities between January 6, 2021 and October 15, 2025, both dates inclusive (the “Class Period”). Such investors are encouraged to join this case by visiting the firm’s site: bgandg.com/QNTM. Quantum Case Details The Complaint alleges that, throughout the Class Period, Defendants
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News
- Bronstein, Gewirtz & Grossman LLC Urges Quantum Biopharma Ltd. Investors to Act: Class Action Filed Alleging Investor HarmPR Newswire
- Quantum Biopharma Announces Completion of Dosing in 180-Day Repeated Dose Oral Toxicity and Toxicokinetic Studies for Lucid-21-302 (Lucid-MS) [Yahoo! Finance]Yahoo! Finance
- Quantum Biopharma Announces Completion of Dosing in 180-Day Repeated Dose Oral Toxicity and Toxicokinetic Studies for Lucid-21-302 (Lucid-MS)GlobeNewswire
- World Renowned Law Firm Grant & Eisenhofer Files Class Action Lawsuit Against Canadian Banks CIBC and RBC Alleging Illegal Stock Market Manipulation of Quantum BioPharma SharesGlobeNewswire
- World Renowned Law Firm Grant & Eisenhofer Files Class Action Lawsuit Against Canadian Banks CIBC and RBC Alleging Illegal Stock Market Manipulation of Quantum BioPharma SharesGlobeNewswire
QNTM
Sec Filings
- 12/23/25 - Form 6-K
- 12/22/25 - Form 6-K
- 12/22/25 - Form 424B5
- QNTM's page on the SEC website