Sanofi has concluded the acquisition of messenger RNA (mRNA) therapies company, Translate Bio, for $38 per share in cash, representing a total equity value of nearly $3.2bn, on a fully diluted basis.

Last month, Sanofi signed a definitive agreement to acquire all outstanding shares of Translate Bio.

Discover B2B Marketing That Performs

Combine business intelligence and editorial excellence to reach engaged professionals across 36 leading media platforms.

Find out more

The takeover will expedite Sanofi’s efforts to create novel vaccines and treatments leveraging mRNA technology.

Furthermore, the deal supports Sanofi’s mRNA Center of Excellence, which plans to explore the potential of advanced mRNA vaccines and other key areas, including immunology, oncology and rare diseases.

With the acquisition, Translate Bio will continue as a surviving corporation and work as an indirect, fully owned unit of Sanofi.

Sanofi and Translate Bio signed a partnership and exclusive licence agreement in June 2018 to develop mRNA vaccines. The deal was expanded last year to address existing and future infectious diseases.

GlobalData Strategic Intelligence

US Tariffs are shifting - will you react or anticipate?

Don’t let policy changes catch you off guard. Stay proactive with real-time data and expert analysis.

By GlobalData

Two mRNA vaccine clinical trials are currently underway as part of the alliance.

Phase I/II trial of a Covid-19 vaccine is ongoing with results due in the third quarter of this year.

Another Phase I trial of an mRNA seasonal influenza vaccine is underway with results anticipated in the fourth quarter.

In the therapeutic segment, Translate Bio has a pipeline of early-stage assets for cystic fibrosis and other rare pulmonary diseases.

Furthermore, Translate Bio is conducting discovery activities in diseases impacting the liver. Its MRT platform may be used for several classes of therapies, including therapeutic antibodies or vaccines for fields such as oncology.

For the deal, Morgan Stanley served as the exclusive financial advisor to Sanofi while Weil, Gotshal & Manges was the legal counsel.

Centerview Partners was the lead financial advisor to Translate Bio and Paul, Weiss, Rifkind, Wharton & Garrison served as the legal counsel.

Sanofi noted that its recent acquisition of Tidal Therapeutics boosted the company’s mRNA research expertise in immuno-oncology as well as inflammatory diseases.

Tidal was acquired by Sanofi in a deal totalling approximately $470m in April.

Pharmaceutical Technology Excellence Awards - Nominations Closed

Nominations are now closed for the Pharmaceutical Technology Excellence Awards. A big thanks to all the organisations that entered – your response has been outstanding, showcasing exceptional innovation, leadership, and impact.

Excellence in Action
Awarded the 2025 Pharmaceutical Technology Excellence Award for Business Expansion in Integrated Manufacturing, Upperton Pharma Solutions is rapidly expanding its UK GMP and sterile manufacturing footprint. Find out how Upperton’s integrated CDMO model helps pharma companies move from early development to clinical and niche commercial supply with fewer handovers and faster timelines.

Discover the Impact