---
schema_version: "secwatch.filing_event.v1"
accession: "0000950103-26-012019"
form_type: "8-K"
ticker: "EOSE"
cik: "0001805077"
company_name: "Eos Energy Enterprises, Inc."
filed_at: "2026-08-06T20:30:44+00:00"
generated_at: "2026-08-06T20:33:30.760787+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Eos Energy forms JV with Cerberus and HBC, receives $150M in contributions, issues warrants

## Summary
- Eos contributed $112.6M to JV Frontier Power USA Parent for 112.6M Class B units; Cerberus contributed $100M and HBC $50M.
- Cerberus received 20,017,772 warrants and HBC 10,008,886 warrants, each exercisable at $5.481 per share for 10 years.
- HBC gets exchange right to swap up to 50M Class C units for up to 9.12M Eos shares at prices from $5.481 to $20 depending on timing.
- Third Amendment to DOE loan guarantee permits Thorn Hill site and JV investments; DOE loan terms amended.
- Registration rights agreements require Eos to file resale registration statement within 30 days for warrants and exchange shares.

## SEC filing metadata
- accession: 0000950103-26-012019
- form_type: 8-K
- ticker: EOSE
- cik: 0001805077
- company_name: Eos Energy Enterprises, Inc.
- filed_at: 2026-08-06T20:30:44+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1805077/000095010326012019/0000950103-26-012019-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1805077/000095010326012019/dp251424_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950103-26-012019
- JSON: https://secwatch.observer/filing/0000950103-26-012019.json
- Plain text: https://secwatch.observer/filing/0000950103-26-012019.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.