# Eos Energy Enterprises, Inc. (EOSER) — capital_raise/rights_offering [announced]
Source: SEC API (secapi.ai) · situation sit_681c8c08c774340ec59f · retrieved 2026-08-11T16:13:53.542Z

## Overview
Eos Energy Enterprises, Inc. develops and manufactures long-duration energy storage systems using iron-air battery technology for grid-scale applications.

On August 4, 2026, Eos Energy Enterprises, Inc. entered into an Amended and Restated Limited Liability Company Agreement with CCM Frontier JV Holdco, LLC (an affiliate of Cerberus Capital Management) and HBC MSF Capital Solutions Blocker II LLC (an affiliate of Hudson Bay Capital Management) to establish Frontier Power USA Parent, LLC, a joint venture. Eos Energy contributed $112,637,878.86 for 112,637,879 Class B Units at $1.00 per unit; CCM Frontier received 50,000,001 Class A-1 Units as founder's equity and contributed $100 million for 100,000,000 Class A-2 Units at $1.00 per unit, plus 20,017,772 warrants exercisable at $5.481 per share; HBC contributed $50 million for 50,000,000 Class C Units at $1.00 per unit, plus 10,008,886 warrants exercisable at $5.481 per share. The JV Company will be managed by a board of seven managers, with four appointed by CCM Frontier and up to three by Eos Energy (subject to ownership thresholds). Distributions follow a waterfall structure prioritizing return of invested capital, then a 10% pre-tax IRR, with transfer restrictions for three years post-closing.

## Terms
- Counterparty: CCM Frontier JV Holdco, LLC (Cerberus Capital Management affiliate) and HBC MSF Capital Solutions Blocker II LLC (Hudson Bay Capital Management affiliate) · Deal value: $37.7M · Consideration: cash · Price/share: $5.481

## Key dates
- Announced 2026-07-23 · Record 2026-07-01 · Expiry 2026-07-21 · Expected close 2026-08-03

## Timeline
- 2026-07-23 · 8-K (0001628280-26-049296): 8-K - Eos Energy Enterprises, Inc. — *Eos Energy Enterprises, Inc. designs, manufactures, and provides zinc-based long duration energy storage (LDES) systems sourced and manufactured in the United States.* Eos Energy Enterprises completed a rights offering that expired on July 21, 2026. The company distributed rights to acquire 27,367,171 units at $5.481 per unit on July 2, 2026, with each unit consisting of one share of common stock and 0.4388 of a warrant exercisable at $5.481 per share. As of the expiration date, the company received subscriptions for 6,885,218 units, generating aggregate gross proceeds of $37.7 million. The common stock and warrants are expected to be distributed on or about August 3, 2026. Including proceeds from the rights offering, a previously announced investment from Hudson Bay Capital Management, and a commitment from Cerberus Capital Management, approximately $263 million in gross proceeds have been raised to support Frontier Power USA.
  https://www.sec.gov/Archives/edgar/data/1805077/0001628280-26-049296.txt
- 2026-08-05 · 8-K (0001628280-26-052903): 8-K - Eos Energy Enterprises, Inc. — *Market Trends and Opportunities The Company believes there is a global push to generate energy through sustainable, renewable sources.*
  https://www.sec.gov/Archives/edgar/data/1805077/0001628280-26-052903.txt
- 2026-08-06 · 8-K (0000950103-26-012019): 8-K - Eos Energy Enterprises, Inc. — *Eos Energy Enterprises, Inc. develops and manufactures long-duration energy storage systems using iron-air battery technology for grid-scale applications.* On August 4, 2026, Eos Energy Enterprises, Inc. entered into an Amended and Restated Limited Liability Company Agreement with CCM Frontier JV Holdco, LLC (an affiliate of Cerberus Capital Management) and HBC MSF Capital Solutions Blocker II LLC (an affiliate of Hudson Bay Capital Management) to establish Frontier Power USA Parent, LLC, a joint venture. Eos Energy contributed $112,637,878.86 for 112,637,879 Class B Units at $1.00 per unit; CCM Frontier received 50,000,001 Class A-1 Units as founder's equity and contributed $100 million for 100,000,000 Class A-2 Units at $1.00 per unit, plus 20,017,772 warrants exercisable at $5.481 per share; HBC contributed $50 million for 50,000,000 Class C Units at $1.00 per unit, plus 10,008,886 warrants exercisable at $5.481 per share. The JV Company will be managed by a board of seven managers, with four appointed by CCM Frontier and up to three by Eos Energy (subject to ownership thresholds). Distributions follow a waterfall structure prioritizing return of invested capital, then a 10% pre-tax IRR, with transfer restrictions for three years post-closing.
  https://www.sec.gov/Archives/edgar/data/1805077/0000950103-26-012019.txt

## Citations
- 0001628280-26-049296 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000162828026049296
- 0001628280-26-052903 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000162828026052903
- 0000950103-26-012019 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000095010326012019