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NASDAQ:DVAX 24 August 2025 - 24 December 2025

Dynavax Technologies (DVAX) Stock After the Bell on Dec. 24, 2025: Sanofi’s $2.2B Buyout, After‑Hours Action, and What to Watch Before the Next Market Open

Dynavax Technologies (DVAX) Stock After the Bell on Dec. 24, 2025: Sanofi’s $2.2B Buyout, After‑Hours Action, and What to Watch Before the Next Market Open

Sanofi agreed to acquire Dynavax Technologies for $15.50 per share in cash, valuing the deal at about $2.2 billion. DVAX shares surged 39% to around $15.45, trading near the offer price after the announcement. Volume topped 30 million shares in a volatile session shortened for the holiday. The transaction is expected to close in Q1 2026, pending customary conditions.
24 December 2025
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Intel Stock Slides as Nvidia Pauses 18A Testing; Nike Jumps on Tim Cook Buy and Dynavax Soars on Sanofi Deal

Intel Stock Slides as Nvidia Pauses 18A Testing; Nike Jumps on Tim Cook Buy and Dynavax Soars on Sanofi Deal

Intel shares fell up to 3.9% after reports said Nvidia halted testing of Intel’s 18A chipmaking process. Nike rose after Apple CEO Tim Cook disclosed a $3 million purchase of Nike stock. Dynavax Technologies surged after Sanofi agreed to acquire the company for $2.2 billion. The S&P 500 hovered near record highs in quiet, holiday-shortened trading.
24 December 2025
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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 (DVAX) Stock Jumps on Sanofi’s $2.2B Cash Buyout Offer: Latest News, Forecasts, and What Comes Next (Dec. 24, 2025)

Sanofi announced a deal to acquire Dynavax Technologies for $2.2 billion in cash, offering $15.50 per share—a 39% premium to Dynavax’s prior close. DVAX stock jumped about 37% premarket to near the offer price. Dynavax’s board approved the transaction. Closing is expected in Q1 2026, pending regulatory and shareholder approvals.
24 December 2025
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EU Stock Markets Today (24 December 2025): STOXX 600 Flat on Christmas Eve as BP Castrol Deal, Sanofi’s Dynavax Move and Record Metals Set the Tone

EU Stock Markets Today (24 December 2025): STOXX 600 Flat on Christmas Eve as BP Castrol Deal, Sanofi’s Dynavax Move and Record Metals Set the Tone

The STOXX 600 index was flat at 588.93 by 08:09 GMT on December 24, 2025, as EU stock markets saw sharply reduced liquidity with Germany and Italy closed and other exchanges running shortened sessions for Christmas Eve. Energy shares rose on firmer oil, while miners tracked gains in precious metals. Trading volumes were thin across the continent.
24 December 2025
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Breakthrough Cures, Billion-Dollar Bets & Health Shockers – Global Biotech & Health News Roundup (Aug 23–24, 2025)

Breakthrough Cures, Billion-Dollar Bets & Health Shockers – Global Biotech & Health News Roundup (Aug 23–24, 2025)

The FDA cleared Rocket Pharma to resume its gene therapy trial for Danon disease after a patient death halted the study in May; the trial will restart with a lower dose and without the immune-suppressing drug linked to the fatal complication. Rocket shares jumped over 30% after the decision. Early data showed Dynavax’s shingles vaccine matched GSK’s Shingrix in immune response but caused fewer side effects, sending Dynavax shares up 7%.
24 August 2025
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