Eos sees preliminary Q3 revenue of $82 million to $83 million
Eos Energy Enterprises
Eos Energy Enterprises (EOSE) expects preliminary third-quarter revenue of $82 million to $83 million, up approximately 169% to 172% from a year earlier. The battery-storage manufacturer forecasts full-year 2026 revenue in the lower half of its $300 million to $350 million range.[1]
Margins improve but remain negative
For the quarter ended September 30, 2026, Eos expects a GAAP gross margin between negative 55 percent and negative 53 percent. That would improve by approximately 16 to 18 percentage points from the second quarter, while still leaving production costs above revenue.[1]
Total cash, including restricted cash, was approximately $344 million at September 30. Eos plans to release its full quarterly results before the U.S. market opens on November 5. These figures remain preliminary.[1]
What matters for shareholders
Higher sales and narrower gross losses would show progress in scaling production. The remaining questions are whether Eos can deliver its year-end revenue outlook and turn that volume into positive margins. The final results will provide the next check on those expectations.[1]
EOSE insider trading activity
In open-market trades dated in the last 90 days, 1 insider bought $59K and 3 insiders sold $1.4M, all of it under preset trading plans, per Form 4 filings.
- Joe Mastrangelo (Chief Executive Officer) sold 250,000 shares for $980K under a preset plan, last filed Sep 16.
- Sumeet Puri (Chief Accounting Officer) sold 77,917 shares for $313K under a preset plan, last filed Sep 16.
- Michelle Buczkowski (Chief Commercial Officer) sold 50,000 shares for $100K under a preset plan, last filed Oct 29.
- Haiyan Song (Director) bought 15,000 shares for $59K, last filed Sep 15.
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EOSE 13F fund activity
In 13F filings for the quarter ended Jun 30, 2026, 2 funds we track made a large change in EOSE: 1 opened a position or grew one by half or more, and 1 cut one by half or more.
- Marshall Wace, LLP cut 6,237,623 shares.
- Susquehanna International Group, LLP added 3,332,709 shares.
