Mersana Therapeutics Investor Alert By The Former Attorney General Of Louisiana: Kahn Swick & Foti, LLC Investigates Adequacy of Price and Process in Proposed Sale of Mersana Therapeutics, Inc. - MRSN

NEW YORK and NEW ORLEANS, Dec. 12, 2025 /PRNewswire/ -- Former Attorney General of Louisiana Charles C. Foti, Jr., Esq. and the law firm of Kahn Swick & Foti, LLC ("KSF") are investigating the proposed sale of Mersana Therapeutics, Inc. (NasdaqGS: MRSN) to Day One Biopharmaceuticals, Inc. Under the terms of the proposed transaction, shareholders of Mersana will receive $25.00 per share in cash plus one non-tradable contingent value right (CVR) per share to receive certain potential milestone payments of up to $30.25 per CVR in cash, for total consideration of up to $55.25 per share in cash. KSF is seeking to determine whether this consideration and the process that led to it are adequate, or whether the consideration undervalues the Company.