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Bristol Myers Squibb to Acquire Mirati Therapeutics for $4.8B

The acquisition will strengthen the BMS oncology portfolio.

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The transaction expects to be completed in the first half of 2024.Image courtesy of Assembly / Stone via Getty Images

Bristol Myers Squibb and Mirati Therapeutics Inc. have entered into a definitive merger agreement under which Bristol Myers Squibb has agreed to acquire Mirati for $58.00 per share in cash, for a total equity value of $4.8 billion.

Mirati stockholders will also receive one non-tradeable Contingent Value Right (CVR) for each Mirati share held, potentially worth $12.00 per share in cash, representing an additional $1.0 billion of value opportunity. The transaction was unanimously approved by both the Bristol Myers Squibb and the Mirati Boards of Directors.

Mirati is a commercial stage targeted oncology company whose mission is to discover, design, and deliver breakthrough therapies to transform the lives of patients with cancer and their loved ones. Mirati’s assets are a strong fit with Bristol Myers Squibb’s portfolio and innovative pipeline and represent an attractive opportunity to grow Bristol Myers Squibb’s oncology franchise.

Through this acquisition, Bristol Myers Squibb will add KRAZATI, an important lung cancer medicine, to its commercial portfolio. The company gains access to several promising clinical assets that complement its oncology pipeline and are strong candidates for single agent development and combination strategies.

“We are excited to add these assets to our portfolio and to accelerate their development as we seek to deliver more treatments for cancer patients,” said Giovanni Caforio, chief executive officer and Board chair, Bristol Myers Squibb. “With a strong strategic fit, great science and clear value creation opportunities for our shareholders, the Mirati transaction is aligned with our business development goals. Importantly, by leveraging our skills and capabilities, including our global commercial infrastructure, we will ensure patients globally can benefit from Mirati’s portfolio of innovative medicines.”

Mirati’s portfolio includes:

  • KRAZATI (adagrasib), which was granted accelerated FDA approval for the treatment of adult patients with KRASG12C-mutated locally advanced or metastatic Non-Small Cell Lung Cancer (NSCLC) who have received at least one prior systemic therapy. KRASG12C mutations represent one of the most frequent alterations in NSCLC, accounting for approximately 14% of all NSCLC patients. 

  • MRTX1719, a potential first-in-class MTA-cooperative PRMT5 inhibitor in Phase 1 development has shown encouraging early efficacy data across several tumor types with MTAP deletion, including NSCLC, cholangiocarcinoma (bile duct cancer) and melanoma, with no evidence to date of meaningful hematologic toxicities associated with non-selective PRMT5 inhibitors. MRTX1719 targets MTAP-deleted tumors that comprise approximately 10% of all cancers. Phase 2 clinical trial initiation for MRTX1719 is expected in the first half of 2024;

  • A leading KRAS and KRAS enabling program, including MRTX1133 and MRTX0902. MRTX1133 targets the KRASG12D mutation, which is implicated in key tumor types, such as pancreatic cancer, NSCLC, and colorectal cancer. MRTX0902 is a SOS1 inhibitor in Phase 1 clinical development with the potential for combination use with other agents targeting the MAPK/RAS pathway, including KRAZATI. The KRASG12D mutation is implicated in over 30% of pancreatic cancer patients, a disease with high unmet medical need.

“Since our founding 10 years ago, Mirati has made significant strides in transforming the lives of patients living with cancer through the development of innovative therapies. Through our discovery and development of next-generation targeted cancer therapeutics, we have built a robust pipeline of potentially best-in-class treatments that offer renewed hope for patients,” said Charles Baum, founder, president and chief executive officer, Mirati Therapeutics. “Bristol Myers Squibb’s global scale, resources, and commitment to innovation will enable Mirati’s therapeutics to benefit more patients, faster, and deliver on our vision of unlocking the science behind the promise of a life beyond cancer. We believe that this transaction is the best way to benefit patients and maximize value for shareholders.”

The transaction is anticipated to close by the first half of 2024.

About the Author(s)

Powder Bulk Solids Staff

Established in 1983, Powder & Bulk Solids (PBS) serves industries that process, handle, and package dry particulate matter, including the food, chemical, and pharmaceutical markets.

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