Eos Energy Enterprises, Inc.

Eos Energy Enterprises, Inc., listed under ticker BMRG, filed an 8-A12B registration statement with the SEC on August 3, 2026, registering a class of securities under Section 12(b) of the Securities Exchange Act. The filing carries accession number 0000950103-26-011602. Eos Energy operates in the energy storage sector, developing zinc-based battery systems for grid-scale applications. The BMRG ticker traces to B. Riley Principal 150 Merger Corp, the blank-check vehicle sponsored by B. Riley Financial that brought Eos Energy to public markets via a de-SPAC transaction completed in 2020. For complete filing history, sponsor data, and real-time analytics on BMRG, sign up for full access at SpacDesk.