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 Corporation (NASDAQ: DVAX) is the standout mover heading into the Christmas break after Sanofi agreed to acquire the vaccine maker in an all-cash deal valued at about $2.2 billion. The transaction price — $15.50 per share in cash