Novavax is trading 5.93% up in pre-market at $8.40, with no new company-specific announcement found to clearly explain the increase.

  • August 18 close: $7.93.
  • The latest material update was August 6 second-quarter results, when Novavax beat estimates and raised its 2026 revenue outlook.
  • That catalyst is not sufficiently recent to attribute today’s move directly.