Eos Energy Enterprises, Inc. filed its Quarterly Report on Form 10-Q for the period ended June 30, 2026, with the Securities and Exchange Commission on August 5, 2026, disclosing its unaudited condensed consolidated financial statements and related notes.

Key Highlights

  • Cash position: Cash and cash equivalents were $305,491 thousand as of June 30, 2026, down from $567,992 thousand at December 31, 2025.
  • Total assets: Total assets were $906,779 thousand as of June 30, 2026, compared to $885,197 thousand at December 31, 2025.
  • Total liabilities: Total liabilities were $1,224,341 thousand as of June 30, 2026, down from $1,762,517 thousand at December 31, 2025.
  • Long-term debt: Long-term debt was $453,835 thousand as of June 30, 2026, compared to $662,467 thousand at December 31, 2025.
  • Warrants liability: Combined warrants liability and warrants liability - related party totaled $389,393 thousand as of June 30, 2026, down from $783,968 thousand at December 31, 2025.
  • Shares outstanding: The registrant had 364,167,744 shares of common stock outstanding as of August 3, 2026.
  • Series B Preferred Stock: Series B Preferred Stock - related party was recorded at $713,222 thousand as of June 30, 2026, compared to $1,361,542 thousand at December 31, 2025.

Eos Energy Balance Sheet Shifts Between December 2025 and June 2026

According to the filing, Eos Energy Enterprises, Inc. (NASDAQ: EOSE) reported total assets of $906,779 thousand as of June 30, 2026, a modest increase from $885,197 thousand at December 31, 2025. The company's cash and cash equivalents declined to $305,491 thousand from $567,992 thousand over the same period. Restricted cash, both current and long-term, stood at $43,579 thousand and $15,000 thousand, respectively, as of June 30, 2026.

On the liabilities side, the filing disclosed a meaningful reduction in total liabilities, from $1,762,517 thousand at year-end 2025 to $1,224,341 thousand at June 30, 2026. Long-term debt decreased from $662,467 thousand to $453,835 thousand over that span. Notes payable to a related party were $163,283 thousand as of June 30, 2026. The filing also reported a combined warrants liability (including the related-party portion) of $389,393 thousand at the end of the quarter, compared to $783,968 thousand at December 31, 2025.

Current assets grew to $514,000 thousand from $708,480 thousand, driven in part by increases in inventory (to $74,990 thousand from $59,026 thousand) and a grant receivable, net, rising to $33,826 thousand from $11,028 thousand. Property, plant and equipment, net, increased to $177,453 thousand from $114,415 thousand. The company is classified as a non-accelerated filer and is not an emerging growth company, according to the filing.

What Was Disclosed

The filing covers Eos Energy Enterprises' unaudited financial position as of June 30, 2026, showing changes in cash, total assets, total liabilities, long-term debt, and warrants liability relative to December 31, 2025, along with a share count of 364,167,744 as of August 3, 2026.