France $117 Billion Pharmaceutical & Healthcare Giant Sanofi Buys United States Biotech Vaccine Company Dynavax Technologies for $2.2 Billion in All-Cash Deal Representing +39% Premium to Closing Price (23/12/25), Founded in 1996 by Lawrence Lichtenstein, Dennis Carson & Eyal Raz

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France $117 Billion Pharmaceutical & Healthcare Giant Sanofi Buys United States Biotech Vaccine Company Dynavax Technologies for $2.2 Billion in All-Cash Deal Representing +39% Premium to Closing Price (23/12/25), Founded in 1996 by Lawrence Lichtenstein, Dennis Carson & Eyal Raz

25th December | Hong Kong 

France pharmaceutical & healthcare giant Sanofi ($117 billion market value) has announced to buy United States biotech vaccine company Dynavax Technologies for $2.2 billion in all-cash deal, representing +39% premium to closing price (23/12/25).  Dynavax Technologies was founded in 1996 by Lawrence Lichtenstein, Dennis Carson & Eyal Raz.  Sanofi – Sanofi is an R&D driven, AI-powered biopharma company committed to improving people’s lives and delivering compelling growth. We apply our deep understanding of the immune system to invent medicines and vaccines that treat and protect millions of people around the world, with an innovative pipeline that could benefit millions more. Our team is guided by one purpose: we chase the miracles of science to improve people’s lives; this inspires us to drive progress and deliver positive impact for our people and the communities we serve, by addressing the most urgent healthcare, environmental, and societal challenges of our time.  Sanofi is listed on EURONEXT: SAN and NASDAQ: SN.  Dynavax – Dynavax is a commercial-stage biopharmaceutical company developing and commercializing innovative vaccines to help protect the world against infectious diseases. The Company has two commercial products, HEPLISAV-B^® vaccine [Hepatitis B Vaccine (Recombinant), Adjuvanted], which is approved in the US, the European Union and the United Kingdom for the prevention of infection caused by all known subtypes of hepatitis B virus in adults 18 years of age and older. 

“ France $117 Billion Pharmaceutical & Healthcare Giant Sanofi Buys United States Biotech Vaccine Company Dynavax Technologies for $2.2 Billion in All-Cash Deal Representing +39% Premium to Closing Price (23/12/25), Founded in 1996 by Lawrence Lichtenstein, Dennis Carson & Eyal Raz “

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France $117 Billion Pharmaceutical & Healthcare Giant Sanofi Buys United States Biotech Vaccine Company Dynavax Technologies for $2.2 Billion in All-Cash Deal Representing +39% Premium to Closing Price (23/12/25), Founded in 1996 by Lawrence Lichtenstein, Dennis Carson & Eyal Raz

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