PRESS RELEASE
1 October 2025

Goodwin Advises Barinthus Biotherapeutics In All-Stock Merger With Clywedog Therapeutics

GP
Goodwin Procter LLP

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At Goodwin, we partner with our clients to practice law with integrity, ingenuity, agility, and ambition. Our 1,600 lawyers across the United States, Europe, and Asia excel at complex transactions, high-stakes litigation and world-class advisory services in the technology, life sciences, real estate, private equity, and financial industries. Our unique combination of deep experience serving both the innovators and investors in a rapidly changing, technology-driven economy sets us apart.
The Goodwin Public M&A and Life Sciences teams advised Barinthus Biotherapeutics plc (NASDAQ: BRNS) (“Barinthus Bio”) in entering into a definitive merger agreement to combine...
United States

The Goodwin Public M&A and Life Sciences teams advised Barinthus Biotherapeutics plc (NASDAQ: BRNS) (“Barinthus Bio”) in entering into a definitive merger agreement to combine in an all-stock transaction with Clywedog Therapeutics, Inc. (“Clywedog”). The newly combined company will advance a novel portfolio of clinical-stage candidates targeting metabolic and autoimmune diseases, with four clinical data milestones expected within 18 months of the closing of the transaction. Upon the closing of the transaction, the combined company will be renamed “Clywedog Therapeutics, Inc.” and is expected to trade on the NASDAQ under the new ticker symbol “CLYD.”

Barinthus Biotherapeutics (NASDAQ: BRNS) is a clinical-stage biopharmaceutical company developing novel immunotherapeutic candidates designed to guide the immune system to overcome autoimmunity and chronic infectious diseases. Helping people living with serious diseases and their families is the guiding principle at the heart of Barinthus Bio. With a focused pipeline built around its proprietary platform technologies, Barinthus Bio is advancing immunotherapeutic product candidates in autoimmunity including: VTP-1000, utilizing our SNAP-Tolerance Immunotherapy (SNAP-TI) platform and is designed to treat people with celiac disease Barinthus Bio’s differentiated technology platform and therapeutic approach, coupled with deep scientific expertise and focus on clinical development, uniquely positions the company to navigate towards delivering treatments that improve the lives of people with autoimmunity.

The Goodwin team was led by Robert Puopolo, Blake Liggio, Andrew Harrow and Jean Lee.

Contributor

At Goodwin, we partner with our clients to practice law with integrity, ingenuity, agility, and ambition. Our 1,600 lawyers across the United States, Europe, and Asia excel at complex transactions, high-stakes litigation and world-class advisory services in the technology, life sciences, real estate, private equity, and financial industries. Our unique combination of deep experience serving both the innovators and investors in a rapidly changing, technology-driven economy sets us apart.

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