Filing Flows › Eos Energy Enterprises (EOSE) › Q4 2025
Eos Energy Enterprises (EOSE) Q4 2025 earnings results (fourth quarter 2025)
10-K filed Feb 26, 2026
Eos Energy Enterprises (EOSE) reported revenue of $58.0M for the fourth quarter 2025 (Q4 2025), +700% from a year earlier and +90% from the quarter before. Operating margin was -140.1%, net loss $120M (207.7% of revenue).
Eos Energy Enterprises, Q4 2025: revenue $58.0M (+700% year over year), operating margin -140.1%, net loss $120M, operating cash flow −$50.3M. The chart follows the revenue to costs, profit and cash.
| Q4 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $58.0M | +90% | +700% |
| Operating profit | −$81.3M | — | — |
| Net earnings | −$120M | — | — |
| Operating cash flow | −$50.3M | — | — |
What changed
Revenue was $58.0M in Q4 2025, up 700% year over year and up 90% from the previous quarter.
Operating costs exceeded revenue by $81.3M, an operating margin of -140.1%. Total costs grew 136% against revenue growth of 700%. The fastest-growing cost line was Cost of revenue (+266%). The quarter ended with a net loss of $120.5M, narrower than the previous quarter's $641.4M loss.
Operating cash flow was −$50.3M. Non-cash charges added back $5.2M of depreciation and amortization and $5.2M of share-based compensation. Working capital and other items added $59.8M. Capital expenditures of $25.0M exceeded it, leaving free cash flow of −$75.2M.
Questions
What was Eos Energy Enterprises' revenue in the fourth quarter 2025?
Eos Energy Enterprises (EOSE) reported revenue of $58.0M for the fourth quarter 2025 (Q4 2025), +700% from a year earlier and +90% from the quarter before.
Was Eos Energy Enterprises profitable in the fourth quarter 2025?
Operating loss was $81.3M (-140.1% of revenue) and net loss $120M.