Dynavax Technologies (DVAX) Stock Jumps on Sanofi’s $2.2B Cash Buyout Offer: Latest News, Forecasts, and What Comes Next (Dec. 24, 2025)
Dynavax Technologies Corporation (NASDAQ: DVAX) is the center of the biotech tape on Wednesday, December 24, 2025, after Sanofi announced a deal to acquire the vaccine maker in an all-cash transaction valued at roughly $2.2 billion. The headline number investors are keying on: $15.50 per share in cash—a bid that reframes the near-term outlook for DVAX stock from “earnings and pipeline execution” to “deal timeline and closing risk.” Sanofi+1 Below is what’s driving today’s move, how the market is pricing the deal so far, what Wall Street forecasts looked like before the announcement, and the key dates and risks investors