Eos Energy Shares Plunge 36% After FY26 Revenue Guidance Falls Short
Eos Energy reported Q4 revenue of $58.0 million, an eightfold year-over-year increase, but guided FY26 sales of $300–400 million well below the $479 million consensus. Shares plunged over 36% pre-market after the revenue outlook miss, despite a $701.5 million order backlog and $624.6 million cash balance.
1. Q4 Results and Performance Metrics
Eos Energy delivered record quarterly revenue of $58.0 million, up roughly 8X year over year, driven by efficiency gains and subassembly automation. Gross loss improved by 230 basis points while adjusted EBITDA loss widened to $71.5 million versus $44.6 million a year earlier, reflecting higher product margins and operating scale.
2. Guidance Shortfall and Stock Reaction
The company set FY26 sales guidance at $300–400 million, well under the $479 million analyst consensus, triggering a more than 36% pre-market share decline. Management emphasized improved execution but acknowledged the need to convert backlog into high-quality revenue.
3. Financial Position and Backlog
Eos Energy ended Q4 with $624.6 million in cash and a $701.5 million order backlog, up 9% sequentially on stronger commercial momentum. The robust backlog provides visibility into future deliveries as the company pursues disciplined scaling and margin improvement.