---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-049552"
form_type: "8-K"
ticker: "EOSE"
cik: "0001805077"
company_name: "Eos Energy Enterprises, Inc."
filed_at: "2025-11-05T23:59:59+00:00"
generated_at: "2026-05-17T00:22:29.248092+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Eos Energy Q3 revenue $30.5M (record), net loss $641.4M on non-cash items; reaffirms FY guidance $150-160M

## Summary
- Revenue of $30.5M, up 100% QoQ and 35x YoY; gross loss $33.9M (92-point margin improvement).
- Net loss $641.4M driven by $572.3M non-cash mark-to-market on stock price rise and early debt retirement.
- Adjusted EBITDA loss $52.7M vs $51.6M prior quarter; cash $126.8M at Sep 30.
- Reaffirmed FY2025 revenue guidance $150-160M (low end); aims for 2 GWh/yr production by year-end.
- Secured 228 MWh order with Frontier Power, 750 MWh supply agreement with MN8 Energy; collaboration with Talen Energy.

## SEC filing metadata
- accession: 0001628280-25-049552
- form_type: 8-K
- ticker: EOSE
- cik: 0001805077
- company_name: Eos Energy Enterprises, Inc.
- filed_at: 2025-11-05T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1805077/000162828025049552/0001628280-25-049552-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1805077/000162828025049552/eose-20251105.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-049552
- JSON: https://secwatch.observer/filing/0001628280-25-049552.json
- Plain text: https://secwatch.observer/filing/0001628280-25-049552.txt

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