Eos Energy Enterprises, Inc.

B. Riley Principal 150 Merger Corp. (Nasdaq: BMRG), sponsored by B. Riley Financial, was a blank-check company that completed its initial public offering in 2020 targeting the energy technology sector. The SPAC filed an 8-K with the SEC on September 8, 2020, in connection with its proposed business combination with Eos Energy Enterprises, Inc., a New Jersey-based zinc battery energy storage company. The transaction subsequently closed, with Eos Energy beginning to trade on Nasdaq under the ticker EOSE. The deal marked an early SPAC-driven entry into the grid-scale energy storage space. Sign up for SpacDesk to access full filing history, deal timelines, and sponsor data on BMRG and hundreds of other SPACs.