Every 8-K that Eos Energy Enterprises Inc (EOSE) has filed with the SEC in the last 24 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A 8-K covers material events a company has to report between its quarterly reports, so if you follow EOSE and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full EOSE filings page.
Eos Energy Enterprises, Inc. (EOSE) announced a commercial leadership transition, appointing Michelle Buczkowski as Chief Commercial Officer effective August 24, 2026, while current CCO Nathan Kroeker will remain through October 20, 2026 to support an orderly transition before leaving the company.
As part of the change, Buczkowski’s annual base salary increased from $385,000 to $440,000 and her target annual short-term incentive was set at 100% of base salary, with other compensation terms largely unchanged. Eos highlighted her role in securing a $24 million Pennsylvania grant for manufacturing expansion and her prior energy-sector leadership. A press release with further details was publicly issued and furnished as an exhibit.
Eos Energy Enterprises, Inc. entered into an Amended and Restated Limited Liability Company Agreement with CCM Frontier JV Holdco, LLC and HBC MSF Capital Solutions Blocker II LLC to govern Frontier Power USA Parent, LLC, a joint venture focused on the company’s frontier power platform.
Eos contributed $112,637,878.86 for 112,637,879 Class B Units, while CCM Frontier contributed $100 million for 100,000,000 Class A-2 Units and received 50,000,001 Class A-1 founder units, and HBC contributed $50 million for 50,000,000 Class C Units. Governance is via a seven-member board with four managers appointed by CCM Frontier and up to three by Eos, with specified consent rights and distribution waterfalls targeting a 10% pre-tax IRR on invested capital.
The company also issued 20,017,772 CCM Warrants and 10,008,886 HBC Warrants, each exercisable for one share of common stock at $5.481 for ten years, granted HBC exchange rights for up to 50,000,000 Class C Units into up to 9,122,422 shares of common stock subject to a 9.8% ownership cap, agreed to related registration rights, and obtained a third amendment to its U.S. Department of Energy loan guarantee to permit the JV structure and related commercial arrangements, including the Thorn Hill site.
Eos Energy Enterprises reported strong top-line growth but continued heavy losses for the quarter ended June 30, 2026. Revenue was $68.8 million, up 351% year over year, with about $55.0 million from a Cerberus‑financed project later contributed to the Frontier Power USA joint venture. Backlog reached a record $807 million, representing 3.4 GWh, and the commercial opportunity pipeline totaled $24.6 billion.
Profitability remains challenging. The company posted a $48.8 million gross loss and gross margin of -71%, a $275.7 million net loss mainly from fair value adjustments, and an adjusted EBITDA loss of $71.4 million. Total cash, including restricted cash, was $364.1 million at June 30, 2026. Eos tightened its 2026 revenue outlook to $300 million–$350 million, from $300 million–$400 million, as it evaluates consolidating manufacturing into its Thorn Hill facility, where a new production line is delivering faster cycle times and is expected to improve efficiency and margins over time.
Eos Energy Enterprises detailed preliminary results of a rights offering to purchase up to 27,367,171 Units at $5.481 per Unit, each consisting of one share of common stock and 0.4388 of a warrant with a $5.481 exercise price per whole share.
As of the July 21, 2026 Expiration Date, subscriptions totaled 6,885,218 Units, and the company expects aggregate gross proceeds of $37.7 million. Including this capital, a previously announced investment from Hudson Bay Capital Management and a commitment from Cerberus Capital Management, approximately $263 million in gross proceeds have been raised in support of Frontier Power USA, which is expected to initially support more than $1 billion of deployable project capital. The common stock and warrants comprising the Units will separate and be issued individually, with distribution expected on or about August 3, 2026, and the company has applied to list the warrants on Nasdaq under the symbol “EOSEW,” with completion of the rights offering remaining subject to specified conditions.
Eos Energy Enterprises reported preliminary second-quarter 2026 results. It expects revenue of $68 million to $69 million, the highest quarterly revenue in its history, driven by more than a three-fold increase in shipments versus the prior-year period. Revenue recognized in the first half of 2026 has already surpassed total revenue for 2025.
As of June 30, 2026, Eos anticipates a record backlog of approximately $807 million, about 25% higher than the prior quarter, with new orders exceeding shipments. The company projects a gross margin loss between 69% and 73%, reflecting start-up costs and lower initial volumes during its manufacturing ramp, including the launch of Battery Line 2 and progress toward a targeted 4 GWh annual run-rate capacity by year-end.
Total cash, including restricted cash, is expected to be approximately $364 million, with about $78 million of customer collections in the quarter, exceeding revenue. These figures are preliminary, unaudited management estimates and may differ materially from final results. Full second-quarter results are scheduled for August 5, 2026, followed by an earnings call and shareholder Q&A.
Eos Energy Enterprises, Inc. filed an 8-K describing board and leadership changes. Greg Nixon resigned as a preferred stock director on July 8, 2026, and Nathaniel Fick moved from a Class III seat to fill the preferred stock director role, with Haiyan Song appointed as a new Class III director effective July 9, 2026. Song will serve until the 2029 annual meeting and receive standard non-employee director compensation, including cash and equity-based retainers. The company also announced a planned transition of its Chief Legal Officer role, with Marie Batz Martin becoming Chief Legal Officer effective July 13, 2026, and current CLO Michael Silberman remaining as a non-executive employee through September 11, 2026 to support a smooth handover.
Eos Energy Enterprises is commencing a rights offering for up to 27,367,171 Units at $5.481 per Unit. Each Unit includes one share of common stock plus 0.4388 of a warrant with a $5.481 exercise price per share. Rights are granted to holders of common stock and specified warrants as of the July 1, 2026 Record Date, are expected to trade on Nasdaq under “EOSER” starting July 6, 2026, and expire at 5:00 p.m. New York City time on July 21, 2026. Investors who fully use their basic rights may request additional Units through an over-subscription privilege. The company states it intends to use any net proceeds to fund its planned investment in Frontier Power USA Parent, LLC, and completion of the offering remains subject to joint venture-related conditions and board discretion.
EOS Energy Enterprises closed a previously announced registered direct offering with Hudson Bay Master Fund Ltd., issuing 13,683,634 shares of common stock and 6,004,378 accompanying warrants.
Each share was sold together with 0.4388 of a warrant at an aggregate offering price of $5.481, and each warrant allows the holder to buy one share at $5.481 per share. The warrants may be exercised for cash or on a cashless basis, carry customary anti-dilution adjustments, and will expire on the tenth anniversary of issuance. The securities and the shares underlying the warrants were offered under an effective Form S‑3 shelf registration, supported by a June 30, 2026 preliminary and final prospectus supplement.
Eos Energy Enterprises outlined a major financing and joint venture plan centered on a new Frontier Power JV with Cerberus and Hudson Bay affiliates. CCM Frontier is expected to receive 50,000,001 Class A-1 units and invest $100 million for 100,000,000 Class A-2 units, while HBC plans to invest $50 million for 50,000,000 Class C units.
The Company intends to fund its Class B investment through a rights offering targeting $150 million, with units priced at $5.481 and including one common share plus 0.4388 of a warrant. CCM Frontier and HBC are also expected to receive long-dated warrants, and HBC’s Class C units carry exchange rights into common shares. The Department of Energy and CCM lenders have provided limited consents, but completion of the structure remains subject to multiple closing conditions.
Eos Energy Enterprises reported that stockholders approved all five proposals at the 2026 annual meeting, with about 77.6% of outstanding shares represented. Directors Jeff Bornstein, Claude Demby, and Nathaniel Fick were re‑elected, and Deloitte & Touche LLP was ratified as auditor.
Investors also backed executive compensation, an amendment to the long‑term incentive plan, and a key amendment increasing authorized common shares from 600,000,000 to 800,000,000. The company explains this larger share pool is intended to support strategic and financing initiatives, including a rights offering tied to its planned Frontier Power USA investment, under a proposed $100 million joint venture with an affiliate of Cerberus.
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.
Eos Energy Enterprises appointed Alessandro Lagi as its new Chief Financial Officer, effective June 8, 2026, replacing interim CFO Nathan Kroeker, who remains Chief Commercial Officer. Lagi, 50, brings senior finance experience from Johnson Controls, Baker Hughes and BHGE across global and regional roles.
Lagi’s employment agreement provides a $470,000 annual base salary, a target annual bonus equal to 100% of base salary, and an initial $2,000,000 grant of time-vesting restricted stock units vesting over three years. He is also eligible for long-term incentives targeting $1,000,000 annually, plus relocation and car allowances and defined severance and non-compete protections.
Eos Energy Enterprises released preliminary results indicating first quarter 2026 revenue of $56–$57 million, driven by record shipments and improved manufacturing performance. The company reported a 17% quarter-over-quarter increase in shipments, alongside higher battery and bipolar output, reflecting better throughput and process stability.
Eos highlighted operational initiatives in supplier quality, lean processes, and equipment optimization, as well as progress on its second battery production line, which is expected to begin initial production by the end of the second quarter. New senior hires in sales and project delivery are intended to help convert growing demand into completed projects.
EOS Energy Enterprises, Inc. entered into a new employment agreement with its Chief Administration Officer, Michelle Buczkowski, replacing her prior offer letter. The agreement sets an annual base salary of $385,000 and makes her eligible for a year-end target bonus equal to 75% of base salary under the short-term incentive plan.
She will also be eligible for annual long-term incentive grants. If her employment is involuntarily terminated without Cause or with Good Reason, and she signs a release, she is entitled to continued base salary for 12 months, certain bonus payments, and vesting of equity awards scheduled to vest over the following twelve months, subject to performance goals. The agreement includes perpetual confidentiality and intellectual property provisions, plus non-competition and non-solicitation covenants lasting 12 months after termination.
Eos Energy Enterprises appointed Nathaniel (Nate) Fick, age 48, to its Board of Directors as an independent Class III director, effective March 24, 2026. He will serve until the 2026 annual meeting and, if elected, for a three-year term.
Fick joins the Nominating and Corporate Governance Committee and expands the Board to eleven directors. He will not receive board compensation under the policies of his employer. Eos will enter into a standard director indemnification agreement with him, covering certain legal expenses tied to his board service.
The company highlighted Fick’s background in national security, cybersecurity, artificial intelligence, technology leadership, and infrastructure from roles at Cerberus Capital Management, prior government service as U.S. Ambassador-at-Large for Cyberspace & Digital Policy, and earlier leadership positions in cybersecurity and the U.S. Marine Corps.
Eos Energy Enterprises reported record growth but continued heavy losses for 2025. Full-year revenue reached $114.2 million, more than 7x 2024, with fourth quarter revenue of $58.0 million, about 8x year-over-year and 90% above the prior quarter, driven by scaled, more automated production.
The company still posted a full-year net loss attributable to shareholders of $969.6 million and adjusted EBITDA loss of $219.1 million, while gross loss was $143.8 million. Eos ended 2025 with total cash of $624.6 million after completing a $600 million senior convertible notes issuance and equity offering, retiring $200 million of 2030 notes and extending all corporate debt maturities to 2030 and beyond. Management now concludes substantial doubt about its ability to continue as a going concern no longer exists and issued 2026 revenue guidance of $300 million to $400 million.
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. entered into several major financing transactions. The company issued $600 million of 1.75% Convertible Senior Notes due 2031, which are senior unsecured debt and can be converted into common stock at an initial rate of 61.3704 shares per $1,000 principal amount, with customary adjustment and redemption features. Eos also amended its credit agreement to allow cash settlement of note conversions until shareholders approve an increase in authorized shares.
The company reported that up to 46,948,320 shares may be issued upon conversion of the notes based on an initial maximum conversion rate of 78.2472 shares per $1,000. Separately, Eos completed a registered direct offering of 35,855,647 common shares at $12.78 per share and issued a warrant to the U.S. Department of Energy for up to 570,000 shares. Eos also agreed to repurchase $200 million principal amount of its 6.75% Convertible Senior Notes due 2030 for approximately $564.6 million, significantly restructuring its debt profile.
Eos Energy Enterprises reported several financing-related actions. The company entered a Fifth Amendment to its Credit and Guaranty Agreement that permits offerings of common stock and/or convertible notes and allows up to $200,000,000 of net cash proceeds from those offerings to be used to repurchase its 6.75% Convertible Senior Notes due 2030, once certain conditions are met.
Eos also agreed to issue the U.S. Department of Energy a warrant to purchase up to 570,000 shares of common stock at an exercise price of $0.01 per share, with automatic cashless exercise triggers tied to future share price performance over time. Through a limited consent and related amendment, the DOE treated the new convertible notes as permitted indebtedness and required Eos to maintain an interest reserve covering payments on both new and existing convertible notes for an initial 18‑month period.
In a separate Limited Waiver Agreement, CCM Denali Equity Holdings, LP waived certain conversion price adjustments and pre‑emptive rights tied to Eos’s planned offerings of common stock in a registered direct transaction and convertible senior notes, as well as the DOE warrant issuance.
Eos Energy Enterprises, Inc. filed an 8-K announcing it furnished a press release with financial results for the quarter ended September 30, 2025. The press release is included as Exhibit 99.1.
The company states the information furnished under Item 2.02 and in Exhibit 99.1 is not deemed “filed” under the Exchange Act and is not incorporated by reference unless expressly stated. The filing also lists Exhibit 104 for the cover page formatted in Inline XBRL.
Eos Energy Enterprises (EOSE) reported that it has satisfied its final performance milestones, specifically Sales Milestone 4 for the Fourth Milestone Test Date, under its amended Credit Agreement. The update was furnished as a Regulation FD disclosure to provide broad, non‑selective communication to the market.
The company attached a press release as Exhibit 99.1 to the report. Meeting these contract-defined milestones indicates compliance with the Credit Agreement’s performance conditions, as described in the filing.
Eos Energy Enterprises reported the results of its Special Meeting held on October 16, 2025. Stockholders approved, for purposes of complying with Nasdaq Listing Rules (including Rule 5635), the Company’s issuance of common shares to the Affiliated Purchaser upon redemption or conversion of the Notes under the Indenture as supplemented. Proposal 1 passed with 146,304,352 For, 1,426,110 Against, and 451,742 Abstained.
Stockholders also approved a potential adjournment (Proposal 2) with 143,665,565 For, 4,086,765 Against, and 429,874 Abstained. On the August 20, 2025 record date, 279,216,376 common shares were outstanding; 148,182,204 were present for quorum.