Merck & Co. (Merck Sharp & Dohme) Acquires Cidara Therapeutics

Merck Acquires Pandion Therapeutics

February 25, 2021

Biotechnology

Merck will acquire Pandion Therapeutics for $60 per share in cash, representing an approximate total equity value of $1.85 billion, via a tender offer and subsequent merger. Pandion is a clinical-stage biotechnology company focused on precision immune modulators (TALON platform) with lead candidate PT101 targeting regulatory T cells for autoimmune diseases; the transaction is expected to close in the first half of 2021 subject to customary conditions.

Merck to Acquire Acceleron Pharma Inc for $11.5B

September 30, 2021

Biotechnology

Merck (through a subsidiary) entered into a definitive agreement to acquire Acceleron Pharma Inc for $180 per share in cash, for an approximate total equity value of $11.5 billion. The transaction will be completed via a tender offer followed by a merger, and is expected to close in the fourth quarter of 2021, subject to conditions including regulatory approvals and tender of at least a majority of outstanding shares.

Merck to Acquire Verona Pharma for Approximately $10 Billion

July 9, 2025

Pharmaceuticals

Merck, through a subsidiary, entered into a definitive agreement to acquire Verona Pharma in a transaction valued at approximately $10 billion (at $107 per ADS). The acquisition is intended to add Ohtuvayre (ensifentrine) to Merck’s cardio-pulmonary pipeline, following FDA approval for COPD in June 2024.

Roche Acquires Poseida Therapeutics

November 28, 2024

Biotechnology

Roche Holdings, Inc. has agreed to acquire San Diego-based Poseida Therapeutics for $9.00 per share in cash plus a contingent value right (CVR) for up to $4.00 per share, representing an aggregate equity value of up to $1.5 billion. The acquisition will bring Poseida's non-viral gene-editing platforms, allogeneic TSCM-rich CAR-T programs and in-house GMP cell therapy manufacturing into Roche's Pharmaceuticals Division to establish a new core capability in allogeneic cell therapy.

Bristol Myers Squibb to Acquire Mirati Therapeutics in $4.8B Cash-and-CVR Deal

October 13, 2023

Pharmaceuticals

Bristol Myers Squibb has entered into a definitive merger agreement to acquire Mirati Therapeutics for $58 per share in cash, valuing the transaction at $4.8 billion in equity value. The deal also includes a non-tradeable contingent value right (CVR) that could provide up to an additional $1 billion of value tied to regulatory acceptance of an NDA for Mirati’s MRTX1719.

Merck Acquires Imago BioSciences for $1.35 Billion

November 21, 2022

Biotechnology

Merck (MSD) entered into a definitive agreement to acquire clinical-stage biopharmaceutical company Imago BioSciences in an all-cash deal valued at approximately $1.35 billion (=$36.00 per share). Merck will commence a tender offer for all outstanding shares, with the transaction expected to close in the first quarter of 2023, subject to customary conditions.