Press Releases April 2, 2026

Quantum BioPharma Wins Significant Court Challenge in USD $700,000,000 Claim as Defendants Joint Motion to Dismiss Lawsuit Alleging Market Manipulation by CIBC World Markets and RBC Dominion Securities is Denied

Quantum BioPharma Wins Key Legal Victory as Court Denies Dismissal of $700 Million Market Manipulation Lawsuit

By Derek Hwang QNTM
Quantum BioPharma Wins Significant Court Challenge in USD $700,000,000 Claim as Defendants Joint Motion to Dismiss Lawsuit Alleging Market Manipulation by CIBC World Markets and RBC Dominion Securities is Denied
QNTM

Quantum BioPharma announced a significant legal win as the US District Court for the Southern District of New York denied a joint motion to dismiss its lawsuit accusing CIBC World Markets and RBC Dominion Securities of illegal market manipulation using spoofing techniques. The company alleges these actions manipulated its stock price between 2020 and 2024, violating securities laws. This ruling allows Quantum BioPharma's $700 million claim to proceed, potentially impacting its share valuation and reaffirming regulatory scrutiny on market manipulation.

Key Points

  • US District Court denies dismissal motion in $700 million market manipulation lawsuit filed by Quantum BioPharma.
  • Lawsuit alleges spoofing tactics by CIBC World Markets and RBC Dominion Securities manipulated Quantum BioPharma's stock price from 2020 to 2024.
  • Quantum BioPharma focuses on innovative biopharmaceutical development, including treatments for neurological disorders and holds royalty agreements through its spinoff Unbuzzd Wellness Inc.
  • The case highlights ongoing regulatory enforcement against market manipulation practices, affecting equities and financial sectors.

TORONTO, April 02, 2026 (GLOBE NEWSWIRE) -- Quantum BioPharma Ltd. (NASDAQ: QNTM) (CSE: QNTM) (FRA: 0K91) (“Quantum BioPharma” or the “Company”), a biopharmaceutical company dedicated to building a portfolio of innovative assets and biotech solutions, today announced that the United States District Court for the Southern District of New York has largely ruled against defendants CIBC World Markets (“CIBC”) and RBC Dominion Securities (“RBC”) joint motion to dismiss Quantum Biopharma’s lawsuit alleging illegal market manipulation.

The Quantum Biopharma lawsuit alleges that between January 1, 2020, and August 15, 2024, the Defendants and/or their customers used “spoofing” techniques to manipulate the share price of Quantum BioPharma shares. The Company alleges that these market manipulation schemes violated Section 10(b) and Rule 10b-5(a) and (c) and Section 9(a) of the Securities Exchange Act of 1934.

The full text of the Court’s ruling can be found here: District Court Opinion & Order

About Quantum BioPharma Ltd.

Quantum BioPharma is a biopharmaceutical company dedicated to building a portfolio of innovative assets and biotech solutions for the treatment of challenging neurodegenerative and metabolic disorders and alcohol misuse disorders with drug candidates in different stages of development. Through its wholly owned subsidiary, Lucid Psycheceuticals Inc. (“Lucid”), Quantum BioPharma is focused on the research and development of its lead compound, Lucid-MS. Lucid-MS is a patented new chemical entity shown to prevent and reverse myelin degradation, the underlying mechanism of multiple sclerosis, in preclinical models. Quantum BioPharma invented UNBUZZD™ and spun out its OTC version to a company, Unbuzzd Wellness Inc. (“UWI”), led by industry veterans. Quantum BioPharma retains ownership of 19.84% (as of December 31, 2025) of UWI at www.unbuzzd.com. The agreement with UWI also includes royalty payments of 7% of sales from unbuzzd ™ until payments to Quantum BioPharma total $250 million. Once $250 million is reached, the royalty drops to 3% in perpetuity. Quantum BioPharma retains 100% of the rights to develop similar product or alternative formulations specifically for pharmaceutical and medical uses.

Forward-Looking Information

Certain information in this news release constitutes forward-looking statements under applicable securities laws. Any statements that are contained in this news release that are not statements of historical fact may be deemed to be forward-looking statements. Forward-looking statements are often identified by terms such as “may”, “should”, “anticipate”, “expect”, “potential”, “believe”, “intend” or the negative of these terms and similar expressions.

Readers are cautioned that the foregoing list is not exhaustive. Readers are further cautioned not to place undue reliance on forward-looking statements, as there can be no assurance that the plans, intentions or expectations upon which they are placed will occur. Such information, although considered reasonable by management at the time of preparation, may prove to be incorrect and actual results may differ materially from those anticipated.

Forward-looking statements contained in this press release are expressly qualified by this cautionary statement and reflect the Company’s expectations as of the date hereof and are subject to change thereafter. The Company undertakes no obligation to update or revise any forward-looking statements, whether as a result of new information, estimates or opinions, future events or results or otherwise or to explain any material difference between subsequent actual events and such forward- looking information, except as required by applicable law.

Contacts:

Quantum BioPharma Ltd.
Zeeshan Saeed, Founder, CEO and Executive Co-Chairman of the Board
Email: [email protected]
Telephone: (416) 854-8884

Investor Relations
Email: [email protected], [email protected]
Website: www.quantumbiopharma.com


Risks

  • Prolonged litigation could incur high legal costs and create uncertainty around Quantum BioPharma's stock performance, impacting investor confidence in biotech and financial sectors.
  • The allegations involve major financial institutions, which could lead to reputational risks and regulatory scrutiny within banking and securities markets.
  • Potential variability in legal outcomes introduces uncertainty, which may affect Quantum BioPharma’s partnership and investment opportunities in the biotech industry.

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