Eos Energy Enterprises, Inc.

B. Riley Principal 150 Merger Corp., which traded under the ticker BMRG, was a blank-check company sponsored by B. Riley Principal Investments, LLC, an affiliate of publicly traded financial services firm B. Riley Financial, Inc. The SPAC completed its initial public offering in May 2020 and targeted opportunities in the energy and industrial technology sectors. It subsequently announced and closed a business combination with Eos Energy Storage LLC, a manufacturer of zinc-based, non-lithium batteries designed for grid-scale energy storage applications. Following the merger's completion in November 2020, the combined company was renamed Eos Energy Enterprises, Inc. and began trading on Nasdaq under the ticker EOSE. For complete data on BMRG, Eos Energy Enterprises, and thousands of other SPAC transactions, sign up for full access at SpacDesk.