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acquisitionAnnounced · Jan 25, 2026BiopharmaceuticalSource · CredibleArticle · Factual
Sanofi acquires Dynavax Technologies
David Najork · Founding Software Engineer
Announced · Updated · 1 min read
Deal value
$2.2B
Target
Dynavax Technologies
NASDAQ: DVAX · Emeryville, California
Acquirer
Sanofi
Full Acquisition
Status
Pending
Sanofi agreed to acquire Dynavax Technologies. Reported deal value: $2.2B. Status: Pending. Sector: Biopharmaceutical. Target headquarters context: Emeryville, California, United States.
This page summarizes publicly available information about the transaction as of 2026-01-25. Figures and status may change as filings and press coverage update.
In a strategic expansion of its adult vaccine portfolio, French pharmaceutical giant Sanofi announced in December its agreement to acquire U.S.-based Dynavax Technologies Corporation for approximately $2.2 billion
Deal timeline
Announced
Jan 25, 2026 · ad-hoc-news.de
Additional milestones (proxy, vote, close) appear as filings and press updates are indexed.
Sector context
This transaction is classified in Biopharmaceutical with a reported deal value of $2.2B. Figures and status may change as sources update.
Sources: ad-hoc-news.de · Primary article · FireStrike proprietary index