Eos Energy Enterprises, Inc.

Eos Energy Enterprises, Inc. traces its public market debut to its November 2020 business combination with B. Riley Principal 150 Merger Corp., which traded on Nasdaq under the ticker BMRG and was sponsored by an affiliate of B. Riley Financial. The blank-check vehicle, which completed its IPO in 2020, targeted the clean energy and industrial technology sector. Eos Energy develops zinc-based long-duration battery storage systems for grid and commercial applications and filed its annual 10-K report with the SEC on February 26, 2026, covering the most recent fiscal year. Sign up at SpacDesk for full data on this deal and thousands of other SPAC transactions.