YMAB Stock Alert: Halper Sadeh LLC Is Investigating Whether the Sale of Y-mAbs Therapeutics, Inc. Is Fair to Shareholders

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9:47 AM on Tuesday, August 5

The Associated Press

NEW YORK--(BUSINESS WIRE)--Aug 5, 2025--

Halper Sadeh LLC, an investor rights law firm, is investigating whether the sale of Y-mAbs Therapeutics, Inc. (NASDAQ: YMAB) to SERB Pharmaceuticals for $8.60 per share in cash is fair to Y-mAbs shareholders.

Halper Sadeh encourages Y-mAbs shareholders to click here to learn more about their legal rights and options or contact Daniel Sadeh or Zachary Halper at (212) 763-0060 or [email protected] or [email protected].

The investigation concerns whether Y-mAbs and its board of directors violated the federal securities laws and/or breached their fiduciary duties to shareholders by failing to, among other things: (1) obtain the best possible consideration for Y-mAbs shareholders; (2) determine whether SERB is underpaying for Y-mAbs; and (3) disclose all material information necessary for Y-mAbs shareholders to adequately assess and value the merger consideration.

On behalf of Y-mAbs shareholders, Halper Sadeh LLC may seek increased consideration for shareholders, additional disclosures and information concerning the proposed transaction, or other relief and benefits. We would handle the action on a contingent fee basis, whereby you would not be responsible for out-of-pocket payment of our legal fees or expenses.

Halper Sadeh LLC represents investors all over the world who have fallen victim to securities fraud and corporate misconduct. Our attorneys have been instrumental in implementing corporate reforms and recovering millions of dollars on behalf of defrauded investors.

Attorney Advertising. Prior results do not guarantee a similar outcome.

View source version on businesswire.com:https://www.businesswire.com/news/home/20250805068085/en/

CONTACT: Halper Sadeh LLC

One World Trade Center

85th Floor

New York, NY 10007

Daniel Sadeh, Esq.

Zachary Halper, Esq.

(212) 763-0060

[email protected]

https://www.halpersadeh.com

KEYWORD: NEW YORK UNITED STATES NORTH AMERICA