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Source document· December 24, 2025

Press Release: Sanofi to acquire Dynavax, adding a marketed adult hepatitis B vaccine and phase 1/2 shingles candidate to the pipeline

View original at globenewswire.com
Press Release: Sanofi to acquire Dynavax, adding a marketed adult hepatitis B vaccine and phase 1/2 shingles candidate to the pipeline Sanofi to acquire Dynavax, adding a marketed adult hepatitis B vaccine and phase 1/2 shingles candidate to the pipeline Paris, December 24, 2025…
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  • Joining Sanofi will provide the global scale and expertise needed to maximize the impact of Dynavax's vaccine portfolio

    80% confidence
  • The marketed adult hepatitis B vaccine and shingles candidate bring new options to Sanofi's portfolio and underscore commitment to providing vaccine protection across the lifespan

    80% confidence
  • Shingles affects one in three adults over their lifetime

    80% confidence
  • Sanofi's commercial reach, development capabilities, and commitment to evidence-based immunization will amplify the opportunity for HEPLISAV-B and innovative pipeline to address important public health needs

    80% confidence
  • Subject to satisfaction or waiver of customary closing conditions, the acquisition is expected to close in the first quarter of 2026

    80% confidence
  • This transaction and the compelling value it provides is in the best interests of the Company and its stockholders

    80% confidence
  • The agreement to acquire Dynavax is not expected to have any impact on Sanofi's financial guidance for 2025

    80% confidence
  • Dynavax enhances Sanofi's adult immunization presence by adding differentiated vaccines that complement Sanofi's expertise

    80% confidence

Data points we hold from this source

Sanofi · acquisition price per share15.50 USD
What we know · the intelligence behind this page
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What we're seeing
Q4 2026 Biopharma Catalyst Cluster: Late-Stage Readouts and Regulatory Milestones
October 2026 brings a dense run of Phase 3 wins (ALOFT-IPF, RESTORE-3), new data presentations (Roche, Bayer, Lilly, Vertex, Galderma) and regulatory steps (FDA acceptance of Roche's vamikibart BLA, Scholar Rock's EMA resubmission). The next big catalyst is the ivonescimab FDA PDUFA date on 2026-11-14. Obesity combination studies (REDEFINE 4, TOGETHER-PsO) and the 2027 Maritime-1 completion point to more catalysts ahead. QAIAx's speculative AI-linked trial claims (the QIII pilot, targeted for 2027) are an unrelated micro-cap sideshow with weak evidence, and have little in common with the large-cap pipeline news.
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EPKINLY Regulatory-Clinical Success Cascade
High probability of expanded label indications, additional combination approvals, and competitive positioning strength in follicular lymphoma market. Predicts positive commercial uptake and potential accelerated review for related indications.
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Where sources disagree
ING Group
Both facts record the same metric (shares_outstanding) for ING Group at the identical observation date (2025-12-31). FACT A states 2,902,437,688 shares; FACT B states 2,902 million shares (2,902,000,000). The difference is 437,688 shares (~0.015%). This is a genuine value conflict, though the discrepancy appears to result from FACT B rounding to the nearest million while FACT A provides the precise count.
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