Welcome to our dedicated page for Eos Energy Enterprises SEC filings (Ticker: EOSE), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Eos Energy Enterprises, Inc. (NASDAQ: EOSE) SEC filings page on Stock Titan provides direct access to the company’s regulatory disclosures, alongside AI-generated summaries that help explain complex documents. Eos is an American energy company that designs, manufactures, and provides zinc-based battery energy storage systems (BESS) using its Znyth™ technology for long-duration applications in utility, microgrid, commercial, and industrial settings.
Through this page, readers can review Eos’s annual reports on Form 10-K and quarterly reports on Form 10-Q, which describe its zinc-based BESS business, long-duration storage focus, and risk factors. These filings typically include discussions of manufacturing plans, commercial pipeline, and the operational context for products such as Z3™ systems and the DawnOS™ platform. Stock Titan’s AI tools highlight key sections, helping users quickly locate information on segment performance, liquidity, and risk disclosures.
Current reports on Form 8-K are especially relevant for tracking Eos’s capital structure and major events. Recent 8-K filings detail the issuance of 1.75% Convertible Senior Notes due 2031, amendments to a secured credit and guaranty agreement with lenders arranged by Cerberus US Servicing, LLC, a warrant agreement with the U.S. Department of Energy, and funding advances under a DOE-guaranteed loan facility with the Federal Financing Bank. AI summaries surface the main terms of these instruments, including conversion features, redemption conditions, and covenant changes.
Investors can also use this page to follow proxy materials such as the company’s definitive proxy statement for a special meeting, which addressed share issuance approvals related to certain notes. In addition, insider-related equity and warrant information disclosed in 8-Ks and other forms can be reviewed here, while AI assistance points out items tied to potential dilution, voting rights, and governance.
Filings are updated in near real time as they are posted to EDGAR, allowing users to monitor new 10-K, 10-Q, 8-K, proxy, and related documents for EOSE. The combination of primary source filings and AI-driven explanations helps readers understand how Eos finances its long-duration energy storage business, manages debt and equity instruments, and discloses material events under U.S. securities laws.
Eos Energy Enterprises Chief Executive Officer Joe Mastrangelo reported an open-market purchase of 23,900 shares of common stock at a price of
Eos Energy Enterprises director Alexander Dimitrief bought additional shares of the company’s common stock in the open market. On March 2, 2026, he purchased 15,000 shares at a price of $6.04 per share, increasing his direct holdings to 235,221 shares.
The filing also notes an additional 10,000 shares of common stock held indirectly by his spouse, reported as indirect ownership. This Form 4 highlights continued equity ownership by a board member through a meaningful open-market purchase.
Eos Energy Enterprises Chief Executive Officer Joe Mastrangelo purchased 60,000 shares of common stock in the open market. The transactions occurred on March 2, 2026 at a weighted average price of $5.75 per share, with individual trade prices ranging from $5.74 to $5.75. Following these purchases, he directly owns 1,463,226 common shares.
Eos Energy Enterprises describes a rapidly growing but still unprofitable zinc‑based battery storage business focused on long‑duration grid and data‑center applications. The company posted a net loss of $969.6 million for the year ended December 31, 2025, up from $685.9 million in 2024, and continues to warn that it expects further losses as it scales manufacturing and invests in its Z3 platform and software.
Eos highlights differentiated, non‑flammable U.S.-made zinc batteries, new products such as the Z3 module, DawnOS controls and Indensity high‑density storage architecture, and strong policy tailwinds from the Inflation Reduction Act and the One Big Beautiful Bill Act. To expand capacity to 8 GWh, it has a DOE‑guaranteed loan facility of up to $303.5 million and had drawn $90.9 million across Tranche 1 by December 31, 2025. The company employed 787 full‑time staff, had an aggregate public float value of about $1.283 billion as of June 30, 2025, and 339,434,259 shares outstanding as of February 24, 2026, while emphasizing significant business, financing, execution, supply‑chain and competitive risks.
Eos Energy Enterprises reported record growth but continued heavy losses for 2025. Full-year revenue reached
The company still posted a full-year net loss attributable to shareholders of
Eos Energy Enterprises, Inc. entered into a Second Amendment to its loan guarantee agreement with the U.S. Department of Energy on February 13, 2026. The amendment defers the applicability of the Loan Agreement’s Consolidated Revenue and EBITDA financial covenants until the fiscal quarter ended March 31, 2027, giving the company more time before these performance tests apply.
Eos Energy Enterprises, Inc. received an amended Schedule 13G reporting that a group of affiliated investment entities, including Capital Ventures International and several Susquehanna-branded firms, beneficially own 14,340,893.00 shares of its common stock, representing 4.5 % of the class as of 12/31/2025.
The filing notes that Capital Ventures International’s position is through shares issuable upon conversion of convertible notes, while Susquehanna Securities, LLC’s beneficial ownership includes options to buy 6,782,000 Shares. The group states the holdings are in the ordinary course of business and not for changing or influencing control. A company prospectus supplement indicated 317,544,042 Shares outstanding upon completion of a referenced offering.
Eos Energy Enterprises executive Nathan Kroeker reported equity transactions tied to his compensation. On January 23, 2026, 100,000 restricted stock units converted into an equal number of common shares at an exercise price of $0, increasing his directly held common stock to 712,512 shares.
On January 26, 2026, under a pre-arranged Rule 10b5-1 trading plan adopted on September 15, 2025, he sold 50,000 common shares at a weighted average price of $16.04, in multiple trades between $15.71 and $16.92, primarily to cover estimated tax withholding obligations related to the RSU vesting. After these transactions, he directly owned 662,512 shares of Eos Energy common stock as CCO and Interim CFO.
A holder has filed a notice of proposed sale under Rule 144 for 50,000 shares of common stock. The shares are expected to be sold through UBS Financial Services Inc. on or about 01/26/2026, with an indicated aggregate market value of $849,250.00. The issuer reports 288,242,532 shares of this class outstanding.
The 50,000 shares to be sold were acquired from the issuer on 01/23/2026 through RSU vesting, with the same date shown for payment and the nature of payment listed as N/A, indicating no separate cash purchase. The filer represents that they are not aware of any undisclosed material adverse information about the issuer’s current or prospective operations.
Eos Energy Enterprises Chief Legal Officer Michael W. Silberman reported automatic share transactions linked to restricted stock unit (RSU) vesting. On January 22, 2026, 83,334 RSUs were converted into the same number of common shares at $0 exercise price under the company’s 2020 Incentive Plan, with the RSUs scheduled to vest in three equal annual installments subject to continued service. On January 23, 2026, he sold 41,667 common shares at a weighted average price of $17.74 under a pre-established Rule 10b5-1 trading plan designed to cover estimated tax withholding obligations from this vesting. Following these transactions, Silberman beneficially owned 283,279 common shares directly and 83,333 RSUs, each RSU representing a right to receive one common share.