Eos Energy Enterprises is trading 9.2% up at $4.77 in pre-market sessions after releasing preliminary second-quarter 2026 results and announcing a significant partnership.

  • The company reported preliminary revenue of $68–$69 million and a record backlog of $807 million, signaling significant business acceleration.
  • Eos Energy also secured a multi-million-dollar contract with the U.S. Department of War for its Z3 zinc-based long-duration energy storage system as part of the Golden Dome missile defense initiative.
  • Strong cash collections further bolstered investor confidence, helping to offset concerns regarding currently negative margins.