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Gyre Therapeutics to acquire Cullgen for $300 million

PRIVATEOct 10, 2026

Acquiring Company

Gyre Therapeutics

Acquired Company

Cullgen

New YorkSan DiegoBiotechnologyHealth CareTherapeuticsBiotechnologyTherapeutics

Description

Gyre Therapeutics has entered into an agreement to acquire Cullgen in an all-stock transaction valued at approximately $300 million. The merger will make Cullgen a wholly owned subsidiary of Gyre. The transaction is expected to close in early Q2 of 2026, pending regulatory approvals. This merger aims to enhance the capabilities of the combined entity in biopharmaceutical development.

Company Information

Company

Gyre Therapeutics

Location

New York, New York, United States

About

Gyre Therapeutics is focused on biopharmaceutical innovation. The company specializes in the development of targeted therapies for various diseases. Gyre aims to integrate capabilities from discovery to commercialization. They are active in multiple therapeutic areas including inflammatory diseases and cancers.

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Frequently asked

Who acquired Cullgen?

Cullgen was acquired by Gyre Therapeutics, based in New York. The deal was reported on October 10, 2026. Gyre Therapeutics is focused on biopharmaceutical innovation. The company specializes in the development of targeted therapies for various diseases. Gyre Therapeutics is privately held and operates in Biotechnology.

When did Gyre Therapeutics acquire Cullgen?

Gyre Therapeutics's acquisition of Cullgen was reported on October 10, 2026. Gyre Therapeutics has entered into an agreement to acquire Cullgen in an all-stock transaction valued at approximately $300 million. The merger will make Cullgen a wholly owned subsidiary of Gyre. 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.

This company was part of an acquisition. Fundz tracks who bought whom, and who to call on both sides.

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Fundz is a real-time business intelligence platform powered by agentic AI that proactively delivers personalized daily signals, including funding rounds, executive changes, M&A activity, 13F institutional filings, SEC 8-K events, investor activity, and website modifications, based on each user's watchlist and ICP. A trusted data source at firms such as BlackRock, Oracle, Kleiner Perkins, LinkedIn, HubSpot, and Cloudflare, Fundz democratizes the institutional-grade intelligence that previously required a PitchBook or Bloomberg terminal. Features include FundzWatch™ for automated website change detection, Daily Briefing for AI-powered daily briefings, and unified cross-signal alerts across 281,000+ organizations. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.