Description of Business

9 Months Ended

Sep. 30, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Description of Business

Mirati Therapeutics, Inc. (“Mirati” or the “Company”) is a commercial-stage oncology company focused on the discovery, design and delivery of breakthrough therapies that address areas of high unmet need, including lung cancer, and advancing product candidates targeting the genetic and immunological drivers of cancer. The Company was incorporated under the laws of the State of Delaware on April 29, 2013 as Mirati Therapeutics, Inc. and is located in San Diego, California. The Company has a wholly-owned subsidiary, Mirati Therapeutics B.V. (“Mirati B.V.”), which was formed on August 3, 2021 in Amsterdam, Netherlands, and Mirati Therapeutics (Suisse) GmbH (“Mirati Suisse”), which was formed on May 24, 2022 in Zug, Switzerland, is a wholly-owned subsidiary of Mirati B.V. The Company’s former wholly-owned subsidiary in Canada, MethylGene, Inc., was formed on May 8, 2013 and was formally dissolved in the fourth quarter of 2022.

The Company operates as one business segment, primarily in the United States. The Company’s common stock has been listed on the Nasdaq Global Select Market since June 5, 2018, and was previously listed on the Nasdaq Capital Market since July 15, 2013, under the ticker symbol “MRTX.”

Agreement and Plan of Merger

On October 8, 2023, the Company announced it entered into an Agreement and Plan of Merger (“Merger Agreement”) with Bristol-Myers Squibb Company, a Delaware corporation (“BMS”), and Vineyard Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of BMS (“Merger Sub”), providing for the merger of Merger Sub with and into the Company (the “Merger”), with the Company surviving the Merger as a wholly owned subsidiary of BMS. Refer to footnote 12, Subsequent Events, for more information.