Eos Energy Enterprises, Inc. filings document the regulatory record of a Nasdaq-listed manufacturer of zinc-based battery energy storage systems. Recent Form 8-K reports disclose operating results and preliminary financial information, manufacturing and capacity updates, amendments to a U.S. Department of Energy loan guarantee agreement, senior convertible notes, and other capital-structure matters tied to the company’s funding plan.
Proxy and governance filings cover annual meeting matters, board elections, committee assignments, executive compensation, equity awards, indemnification arrangements, and stockholder voting procedures. The filing record also includes executive employment agreements and director appointments, giving formal disclosure around leadership structure, compensation terms, common stock registration, and material agreements.
Eos Energy Enterprises director Jeffrey S. Bornstein reported compensation-related updates involving restricted stock units (RSUs) and common stock. He exercised 30,815 RSUs tied to an equal number of common shares, but a footnote explains these RSUs were settled in cash at $6.88 per unit, so no shares were actually issued or disposed of. After these entries, he reports direct ownership of 134,248 common shares and an additional 1,500 shares held indirectly by his spouse. The filing reflects routine equity compensation accounting rather than open-market buying or selling.
Eos Energy Enterprises director Claude Demby reported routine equity compensation activity involving restricted stock units (RSUs). On May 19, 2026, 23,111 RSUs granted on May 19, 2025 were settled in cash at $6.88 per unit, based on the company’s closing stock price that day.
According to the footnotes, no shares of common stock were actually issued to Demby and he did not dispose of any shares in connection with this settlement. After these entries, he continues to hold 155,575 shares of common stock directly.
Eos Energy Enterprises director Alexander Dimitrief reported compensation-related activity involving restricted stock units (RSUs). On May 19, 2026, 26,963 RSUs granted on May 19, 2025 were cash settled at $6.88 per unit. According to the disclosure, no common shares were actually issued or disposed. Following these entries, he reports 251,399 common shares held directly and 10,000 common shares held indirectly by his spouse, indicating a routine equity compensation settlement without open-market buying or selling.
Eos Energy Enterprises director Gregory S. Nixon reported compensation-related activity involving restricted stock units. On May 19, 2026, previously granted RSUs were cash settled at $6.88 per unit, the closing price of the company’s common stock that day. Footnote disclosure states no shares were actually issued to Nixon and he did not dispose of any shares in connection with this settlement. Following these transactions, he holds 13,867 shares of common stock directly.
Eos Energy Enterprises director Marian Walters reported a mix of option exercises and share sales in common stock. Walters exercised restricted stock units and stock options covering a total of 30,792 shares, including 7,681 options at an exercise price of $1.18 per share, then sold 7,681 shares in an open-market transaction at a weighted average price of $7.07 per share, with trade prices ranging from $7.01 to $7.24. After these transactions, Walters holds 135,334 shares directly and 5,000 shares indirectly through the D. and M. Walters Family Trust.
Eos Energy Enterprises director David Urban exercised restricted stock units into common shares. On May 19, 2026, he converted 23,111 restricted stock units into 23,111 shares of common stock at a price of $0.00 per share. Following this transaction, he directly owns 85,582 shares of common stock, and the exercised RSUs now show a balance of zero in this filing. The activity reflects a derivative exercise with no reported open-market buying or selling.
Cerberus-affiliated investors report a 32% beneficial stake in Eos Energy Enterprises and outline a new joint venture and financing plan. The reporting persons may be deemed to own 159,587,654 shares of common stock, including shares issuable from existing warrants and preferred stock, out of 339,514,027 shares outstanding as of May 11, 2026.
Eos and CCM Frontier signed a binding term sheet to form a joint venture, Frontier Power USA Parent, LLC. CCM Frontier is expected to contribute 50,000,001 Class A-1 units and an Initial Class A-2 Contribution of $100 million for 100,000,000 Class A-2 units, plus receive long-dated warrants for Eos common stock. Eos plans to fund its JV contribution through a Rights Offering targeting $150 million, issuing common shares and additional warrants to participating stockholders. JV governance gives CCM Frontier four of seven manager seats initially, with Eos representation tied to ownership thresholds and transfer restrictions applying for three years after closing.
Eos Energy Enterprises entered a binding term sheet with Cerberus affiliate CCM Frontier to form Frontier Power USA, a joint venture to develop and own long-duration energy storage projects. Cerberus plans a $100 million equity contribution, while Eos expects to fund about $150 million via a pro rata rights offering, both subject to approvals and definitive agreements.
The structure includes JV preferred units, a complex distribution waterfall targeting a 10% pre-tax IRR, transfer restrictions for three years, and Cerberus warrants for Eos stock. Separately, Eos reported first-quarter 2026 revenue of $56.963 million, up 445% year over year, with a gross loss of $44.427 million and adjusted EBITDA loss of $68.019 million. Net income attributable to shareholders was $508.883 million, driven largely by non-cash fair value changes. Cash, including restricted cash, was $472.368 million at March 31, 2026, with a commercial pipeline of $24.3 billion and backlog of $644.6 million. Eos reaffirmed 2026 revenue guidance of $300 million to $400 million.