Eos Energy Enterprises, Inc.

B. Riley Principal 150 Merger Corp. (Nasdaq: BMRG), a blank-check company sponsored by B. Riley Financial, completed its initial public offering in 2020 with a focus on the industrial and clean-energy sectors. The SPAC announced a business combination with Eos Energy Enterprises, a New Jersey-based developer of zinc hybrid cathode battery storage systems, with the merger closing in November 2020. A Form 10-Q bearing accession number 0001213900-20-036529 was filed on November 12, 2020, capturing the company's financial disclosures at the conclusion of the de-SPAC transaction. Post-merger, the combined entity carried forward the Eos Energy Enterprises name on Nasdaq. For full filing history, deal timelines, and comparable SPAC transaction data, sign up for SpacDesk.