Eos Energy Enterprises, Inc.

Eos Energy Enterprises, Inc. filed an 8-K with the Securities and Exchange Commission on July 23, 2026, the latest regulatory disclosure from the company that came to public markets via B. Riley Principal 150 Merger Corp., which traded under ticker BMRG. The blank-check vehicle was sponsored by B. Riley Financial and completed its initial public offering in 2020, targeting the energy storage sector. Eos Energy, a developer of zinc-based long-duration battery storage systems, completed its de-SPAC merger with BMRG and has since operated as a publicly traded company in the clean energy space. Sign up at SpacDesk to access full filing data, sponsor profiles, and deal analytics across the SPAC universe.