Eos Energy Enterprises, Inc.

Eos Energy Enterprises, Inc., trading under ticker BMRG, filed an 8-A12B registration statement with the SEC on July 2, 2026, registering a class of securities under Section 12(b) of the Securities Exchange Act. The company emerged from a business combination with B. Riley Principal 150 Merger Corp., a SPAC sponsored by B. Riley Financial, which completed its IPO in 2020. Eos Energy operates in the clean energy and battery storage sector, developing zinc-based long-duration energy storage systems. The 8-A12B filing formalizes the listing of Eos Energy's securities on a national exchange following the de-SPAC transaction. Sign up at SpacDesk for full filing history, sponsor profiles, and real-time SPAC analytics on BMRG and hundreds of active vehicles.