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Gilead Sciences to Acquire Arcellx, Inc. in Merger Agreement

PUBLIC · GILDFeb 23, 2026

Acquiring Company

Gilead Sciences

Acquired Company

Arcellx, Inc

Foster CityGaithersburgBiotechnologyHealth CareTherapeuticsBiopharmaBiotechnology

Description

On February 22, 2026, Gilead Sciences, Inc. entered into an Agreement and Plan of Merger with Arcellx, Inc. and its wholly owned subsidiary, Ravens Sub, Inc. This merger will allow Gilead to commence a tender offer to acquire all outstanding shares of Arcellx. The transaction is intended to enhance Gilead's portfolio in oncology and immunology.

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Company Information

Company

Gilead Sciences

Location

333 Lakeside Dr

Foster City, California, United States

About

Gilead Sciences, Inc. is a biopharmaceutical company that has pursued and achieved breakthroughs in medicine for more than three decades, with the goal of creating a healthier world for all people. The company is committed to advancing innovative medicines to prevent and treat life-threatening diseases, including HIV, viral hepatitis, cancer and inflammation. Gilead operates in more than 35 countries worldwide, with headquarters in Foster City, California.

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Frequently asked

Who acquired Arcellx, Inc?

Arcellx, Inc was acquired by Gilead Sciences, based in Foster City. The deal was reported on February 23, 2026. Gilead Sciences, Inc. is a biopharmaceutical company that has pursued and achieved breakthroughs in medicine for more than three decades, with the goal of creating a healthier world for all people. Gilead Sciences is publicly traded (GILD) and operates in Biotechnology.

When did Gilead Sciences acquire Arcellx, Inc?

Gilead Sciences's acquisition of Arcellx, Inc was reported on February 23, 2026. On February 22, 2026, Gilead Sciences, Inc. entered into an Agreement and Plan of Merger with Arcellx, Inc. and its wholly owned subsidiary, Ravens Sub, Inc. Fundz records the date the transaction was first publicly reported, sourced from filings and company announcements.

What does Arcellx, Inc do?

We are a clinical-stage biotechnology company reimagining cell therapy through the development of innovative immunotherapies. It is privately held, operating in Biotechnology, and is based in Gaithersburg.

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