---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-052903"
form_type: "8-K"
ticker: "EOSE"
cik: "0001805077"
company_name: "Eos Energy Enterprises, Inc."
filed_at: "2026-08-05T10:54:43+00:00"
generated_at: "2026-08-05T11:00:36.063644+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Eos Energy Q2 revenue $68.8M (+351% YoY); tightens FY2026 guidance to $300-350M

## Summary
- Revenue $68.8M, up 351% YoY; net loss $275.7M driven by mark-to-market adjustments.
- Adjusted EBITDA loss $71.4M; gross margin negative 71%, improving 132pp YoY.
- Backlog record $807M (3.4 GWh), up 25% sequentially; commercial pipeline $24.6B.
- Tightens FY2026 revenue guidance to $300-350M from $300-400M; evaluating manufacturing consolidation.
- Post-quarter: $100M purchase order for Blanquilla Phase I; awarded Golden Dome contract with Dept of War.

## SEC filing metadata
- accession: 0001628280-26-052903
- form_type: 8-K
- ticker: EOSE
- cik: 0001805077
- company_name: Eos Energy Enterprises, Inc.
- filed_at: 2026-08-05T10:54:43+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1805077/000162828026052903/0001628280-26-052903-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1805077/000162828026052903/eose-20260805.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-052903
- JSON: https://secwatch.observer/filing/0001628280-26-052903.json
- Plain text: https://secwatch.observer/filing/0001628280-26-052903.txt

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