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Gyre Therapeutics to acquire Cullgen for $300M

PUBLIC · GYREMar 02, 2026

Acquiring Company

Gyre Therapeutics

Acquired Company

Cullgen

San DiegoSan DiegoManufacturingBiotechnologyHealthcareHealth CareTherapeuticsBiopharmaBiotechnologyTherapeutics

Description

Gyre Therapeutics has entered into an agreement to acquire Cullgen Inc. in an all-stock transaction valued at approximately $300 million. This acquisition will create a fully integrated biopharmaceutical company with capabilities in both the U.S. and China. The combined entity will target inflammatory diseases and cancers with its robust pipeline and technology. The transaction is anticipated to close early in the second quarter of 2026.

Quick answer

Gyre Therapeutics is acquiring Cullgen for $300 million, announced March 2, 2026. Gyre Therapeutics is based in San Diego, California, United States.

How much did Gyre Therapeutics pay for Cullgen?
The reported deal value is $300 million.
What does Gyre Therapeutics do?
Gyre Therapeutics is an innovative, commercial-stage biopharmaceutical company dedicated to advancing fibrosis-first therapies across organ systems affected by chronic diseases.
Where are Gyre Therapeutics and Cullgen based?
Gyre Therapeutics is based in San Diego, California, United States. Cullgen is based in San Diego, California, United States.
Who are the decision-makers at Gyre Therapeutics?
Fundz holds 1 contact at Gyre Therapeutics. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

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Company Information

Company

Gyre Therapeutics

Location

12730 High Bluff Drive

San Diego, California, United States

About

Gyre Therapeutics is an innovative, commercial-stage biopharmaceutical company dedicated to advancing fibrosis-first therapies across organ systems affected by chronic diseases. The company focuses on developing treatments for inflammatory diseases and cancers. Gyre aims to leverage its capabilities for manufacturing and commercialization.

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Frequently asked

Who acquired Cullgen?

Cullgen was acquired by Gyre Therapeutics, based in San Diego. The deal was reported on March 2, 2026. Gyre Therapeutics is an innovative, commercial-stage biopharmaceutical company dedicated to advancing fibrosis-first therapies across organ systems affected by chronic diseases. Gyre Therapeutics is publicly traded (GYRE) and operates in Manufacturing.

When did Gyre Therapeutics acquire Cullgen?

Gyre Therapeutics's acquisition of Cullgen was reported on March 2, 2026. Gyre Therapeutics has entered into an agreement to acquire Cullgen Inc. in an all-stock transaction valued at approximately $300 million. This acquisition will create a fully integrated biopharmaceutical company with capabilities in both the U.S. and China. Fundz records the date the transaction was first publicly reported, sourced from filings and company announcements.

What does Cullgen do?

Cullgen Inc. is a leading biotechnology company developing small molecule therapeutics based on its proprietary uSMITE™ platform of targeted protein degradation technology. It is privately held, operating in Biotechnology, and is based in San Diego.

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