Eos Energy (EOSE) Stock Drops After Earnings Miss and Soft 2026 Outlook

TLDR

• Eos Energy (EOSE) Q4 EPS came in at -$0.72, missing estimates by $0.54
• Q4 revenue hit $58M — a 700% year-over-year jump — but still missed the $92.82M consensus by $35.7M
• Adjusted EBITDA loss widened to $71.5M from $44.6M a year earlier
• 2026 revenue guidance of $300M–$400M came in well below the analyst consensus of $471M
• The company’s Altman Z-Score sits at -19.96, placing it firmly in distress territory

Eos Energy Enterprises posted its Q4 2025 results on February 26, and the numbers came in well below what Wall Street was expecting.

The company reported a Non-GAAP EPS loss of $0.72 for the quarter. Analysts had penciled in a loss of $0.18, making this a $0.54 miss.

Revenue came in at $57.99 million. That sounds like a lot until you compare it to the consensus estimate of $92.82 million — a shortfall of nearly $35.7 million.

Eos Energy Enterprises, Inc., EOSE

Here’s the thing though: that same $58M revenue figure represents a 699.9% increase year-over-year. So the growth story is real. The problem is it’s still not growing fast enough to meet expectations.

The adjusted EBITDA loss widened to $71.5 million, up from a $44.6 million loss in the same period a year ago. That’s moving in the wrong direction.

On the positive side, Eos ended 2025 with $624.6 million in total cash, giving it some financial breathing room.

The company’s order backlog reached $701.5 million, equivalent to 2.8 GWh of storage capacity. That’s up 9% sequentially.

The commercial pipeline grew 4% to $23.6 billion, which management pointed to as evidence of continued market demand for its zinc-based battery systems.

2026 Guidance Falls Short

For full-year 2026, Eos guided for revenue between $300 million and $400 million. Analysts had been expecting $471.26 million. That’s a gap that the market noticed quickly.

EOSE stock was down 3.05% on the day of the report. The stock has dropped 26.05% over the past three months, though it remains up 173.46% over the past 12 months.

Financial Health Raises Flags

The operating margin sits at -351.01%. The net margin is -1,760.72%. Those numbers reflect a company still deep in the investment phase of its growth.

The Altman Z-Score of -19.96 places Eos firmly in the distress zone. That score implies a heightened risk of financial stress within the next two years.

Insider activity adds another layer of caution. There have been five insider selling transactions over the past three months, with just one positive EPS revision against two negative ones in the same window.

The current P/S ratio stands at 47.85, which is well above historical ranges for the company. Analyst consensus has a target price of $16.13, against a current close of $11.13.

InvestingPro rates Eos Energy’s financial health as “weak performance.”

The RSI currently sits at 41.26, putting the stock close to oversold territory. Institutional ownership stands at 48.55%, while insider ownership is just 1.33%.

The company’s current ratio of 1.83 suggests it can cover short-term obligations, but the debt-to-equity ratio of -0.19 signals potential leverage concerns.

Eos Energy closed at $11.13 on February 26, 2026.

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