---
schema_version: "secwatch.filing_event.v1"
accession: "0000950103-24-002086"
form_type: "8-K"
ticker: "EOSE"
cik: "0001805077"
company_name: "Eos Energy Enterprises, Inc."
filed_at: "2024-02-13T23:59:59+00:00"
generated_at: "2026-06-06T03:35:10.807639+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Eos Energy reports preliminary Q4 revenue $6.6M (+148% YoY) and manufacturing line milestone

## Summary
- Preliminary Q4 2023 revenue of $6.6M, up 148% vs Q4 2022 and 866% sequentially.
- Full year 2023 revenue expected at $16.4M; gross margin expected to improve 30-50% YoY.
- Cash balance of $69.5M and orders backlog of $534.8M as of Dec 31, 2023.
- Achieved 'Power On' of all motion systems on first state-of-the-art manufacturing line; installation in Turtle Creek expected Q2 2024.
- Transition to Eos Z3 Cube: 50% fewer cells, 79% less weight, 98% fewer welds, cycle time under 4 minutes.

## SEC filing metadata
- accession: 0000950103-24-002086
- form_type: 8-K
- ticker: EOSE
- cik: 0001805077
- company_name: Eos Energy Enterprises, Inc.
- filed_at: 2024-02-13T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1805077/000095010324002086/0000950103-24-002086-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1805077/000095010324002086/dp206694_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950103-24-002086
- JSON: https://secwatch.observer/filing/0000950103-24-002086.json
- Plain text: https://secwatch.observer/filing/0000950103-24-002086.txt

## Key facts
- Earnings Releases
  Eos Energy Enterprises, Inc. reported the fourth quarter and year ended December 31, 2023 results: revenue $6.6 million.
  - Period: the fourth quarter and year ended December 31, 2023
  - Revenue: $6.6 million
  - Result: preliminary results
  source text: storage systems, today announced that it achieved “Power On” status of all motion systems on its first state-of-the-art manufacturing line and expects to record revenue of $6.6 million for the fourth quarter, a 148% increase versus fourth quarter 2022. Full year 2023 revenue is expected to be $16.4 million as the Company transitioned manufacturing to the Eos Z3
  evidence_url: https://www.sec.gov/Archives/edgar/data/1805077/000095010324002086/0000950103-24-002086-index.htm

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