NEW YORK, Dec. 14, 2025 (GLOBE NEWSWIRE) -- Halper Sadeh LLC, an investor rights law firm, is investigating the following companies for potential violations of the federal securities laws and/or breaches of fiduciary duties to shareholders relating to:

First Foundation Inc. (NYSE: FFWM)’s sale to FirstSun Capital Bancorp for 0.16083 of a share of FirstSun common stock for each share of First Foundation common stock. If you are a First Foundation shareholder, click here to learn more about your rights and options.

Mersana Therapeutics, Inc. (NASDAQ: MRSN)’s sale to Day One Biopharmaceuticals, Inc. If you are a Mersana shareholder, click here to learn more about your legal rights and options.

FirstSun Capital Bancorp (NASDAQ: FSUN)’s merger with First Foundation Inc. Upon completion of the proposed transaction, FirstSun shareholders will own 59.5% of the combined company. If you are a FirstSun shareholder, click here to learn more about your rights and options.

Halper Sadeh LLC may seek increased consideration for shareholders, additional disclosures and information concerning the proposed transaction, or other relief and benefits on behalf of shareholders. 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.

Shareholders are encouraged to contact the firm free of charge to discuss their legal rights and options. Please call Daniel Sadeh or Zachary Halper at (212) 763-0060 or email sadeh@halpersadeh.com or zhalper@halpersadeh.com.

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.

Contact Information:
Halper Sadeh LLC
Daniel Sadeh, Esq.
Zachary Halper, Esq.
One World Trade Center
85th Floor
New York, NY 10007
(212) 763-0060
sadeh@halpersadeh.com
zhalper@halpersadeh.com  
https://www.halpersadeh.com