Insights

Acquisition Interest Cullgen is reportedly being acquired by Gyre Therapeutics in an all-stock deal valued at approximately $300M, signaling potential interest from larger biopharma in its protein degradation platform and pipeline, which could open collaboration or integration avenues for BD teams.

Strategic partnerships Past and ongoing partnerships with Astellas Pharma and AstraZeneca-CICC Venture indicate a track record of collaborating with industry players on uSMITE based programs, suggesting openness to co-development, licensing, or joint venture opportunities.

Clinical-stage focus Cullgen operates as a clinical-stage biopharma with a pipeline centered on first-in-class protein degradation approaches, presenting a compelling case for late-stage strategic partnerships, acquisitions, or milestone-driven deals with a clear path to value realization.

Funding momentum With a total funding of around $106M and a Series B of $50M in 2021 along with a $40M Series C in 2023, there is demonstrated investor appetite and runway that could support partner-led financing or collaboration structures to advance programs.

Technology positioning uSMITE platform targets intracellular and previously undruggable proteins, creating a differentiator for outreach to large pharma seeking to expand target spaces, including collaborations to develop E3 ligands or degrader therapies for high-value indications.

Similar companies to Cullgen Inc.

Cullgen Inc. Tech Stack

Cullgen Inc. uses 8 technology products and services including Squarespace, WordPress, NetSuite, and more. Explore Cullgen Inc.'s tech stack below.

Media & News

Cullgen Inc.'s Email Address Formats

Cullgen Inc. uses at least 2 email formats:
Cullgen Inc. Email FormatsExamplePercentage
First.Last@cullgen.comJohn.Doe@cullgen.com
94%
FLast@cullgen.comJDoe@cullgen.com
6%

Frequently Asked Questions

What is Cullgen Inc.'s official website and social media links?

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Cullgen Inc.'s official website is cullgen.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does Cullgen Inc. generate?

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As of August 2026, Cullgen Inc.'s annual revenue is estimated to be $10M - $25M.

What is Cullgen Inc.'s SIC code and NAICS code?

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Cullgen Inc.'s SIC code is 8731 - Commercial Physical and Biological Research and NAICS code is 541714 - Research and Development in Biotechnology (except Nanobiotechnology).

How many employees does Cullgen Inc. have currently?

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As of August 2026, Cullgen Inc. has approximately 26 employees across 3 continents, including Asia, North America and Europe. Key team members include Vice President Of Discovery Medicine: X. H., Chairman And Chief Executive Officer: Y. L. and Board Director: S. F. Y. Explore Cullgen Inc.'s employee directory with LeadIQ.

What industry does Cullgen Inc. belong to?

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Cullgen Inc. operates in the Biotechnology Research industry.

What technology does Cullgen Inc. use?

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Cullgen Inc.'s tech stack includes Squarespace, WordPress, NetSuite, Squarespace Commerce, parallax.js, AfterPay, Box and Adobe Creative Suite.

What is Cullgen Inc.'s email format?

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Cullgen Inc.'s email format typically follows the pattern of First.Last@cullgen.com. Find more Cullgen Inc. email formats with LeadIQ.

How much funding has Cullgen Inc. raised to date?

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As of August 2026, Cullgen Inc. has raised $106M in funding. The last funding round occurred on May 08, 2023 for $35M.

When was Cullgen Inc. founded?

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Cullgen Inc. was founded in 2018.
Cullgen Inc. logo

Cullgen Inc.

Biotechnology ResearchCalifornia, United States11-50 Employees

Cullgen Inc. is a San Diego, California-based biotechnology company pursuing targeted protein degradation. Its uSMITE platform harnesses the cell's ubiquitin-proteasome system to selectively eliminate disease-causing intracellular proteins, including a large portion often deemed undruggable by conventional small molecules. The company is advancing its own pipeline while also developing a portfolio of novel E3 ligands to expand its therapeutic modalities.

Operating in the biotechnology research industry, Cullgen positions itself as a developer of protein degraders intended to broaden the range of addressable disease targets. Its customers are researchers and biopharmaceutical developers seeking new approaches to intracellular proteins that lack effective therapeutic options. In March 2026, Gyre Therapeutics announced an agreement to acquire Cullgen in an all-stock transaction.

Section iconCompany Overview

SIC Code
8731 - Commercial Physical and Biological Research
NAICS Code
541714 - Research and Development in Biotechnology (except Nanobiotechnology)
Founded
2018
Employees
11-50

Section iconFunding & Financials

  • $106M

    Cullgen Inc. has raised a total of $106M of funding over 5 rounds. Their latest funding round was raised on May 08, 2023 in the amount of $35M as a Corporate Round.

  • $10M - $25M

    Cullgen Inc.'s revenue is estimated to be in the range of $10M - $25M

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