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 (EOSE) filed a Form 3, the initial statement of beneficial ownership, for officer Michelle Buczkowski. The filing reports 47,773 shares of Common Stock beneficially owned, held in direct form. The event date is 11/03/2025.
Buczkowski is listed as Chief Administration Officer. The filing includes an Exhibit 24 Power of Attorney, and the form was signed by /s/ Michael Silberman as attorney-in-fact.
Eos Energy Enterprises (EOSE) filed its Q3 2025 10‑Q, showing fast-growing sales alongside heavy losses and sizable non-cash fair value impacts. Revenue reached $30.5 million for the quarter, up from $0.9 million a year ago, but cost of goods sold of $64.4 million led to a gross loss. Operating loss was $61.2 million. After large changes in the fair value of warrants and related derivatives and preferred stock remeasurement, net loss attributable to common shareholders was $1.33 billion for Q3.
The balance sheet reflects expansion and financing activity: cash and cash equivalents were $58.7 million and restricted cash $36.9 million as of September 30, 2025. The company closed a public offering of 21,562,500 shares at $4.00 for net proceeds of $81.1 million on June 2, 2025, issued $250 million of 6.75% convertible notes due 2030, and drew $90.9 million from Tranche 1 of its DOE Loan Facility (up to $303.5 million across tranches). The Cerberus delayed draw term loan was fully funded, and its interest rate was reduced to 7% under amendments.
Management disclosed substantial doubt about the company’s ability to continue as a going concern, despite covenant compliance on minimum liquidity and deferral of revenue/EBITDA covenants to March 31, 2027.
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.
Sumeet Puri, Chief Accounting Officer of Eos Energy Enterprises, Inc. (EOSE), reported stock transactions related to vested restricted stock units and subsequent open-market sales. On 09/05/2025, 68,334 restricted stock units (RSUs) became vested and were reported as acquired at $0, increasing beneficial ownership to 204,791 shares. On 09/08/2025 the reporting person sold 20,501 shares at a weighted-average price of $6.98 and 20,000 shares at a weighted-average price of $7.25, reducing beneficial ownership to 164,290 shares. The sales were effected pursuant to a Rule 10b5-1 trading plan adopted March 14, 2025 and to satisfy estimated tax liabilities arising from RSU vesting.
Form 144 notice for Eos Energy Enterprises, Inc. (EOSE) reports a proposed sale of common stock under Rule 144 to be executed on 09/08/2025 on Nasdaq through UBS Financial Services. Two line items list 20,501 and 20,000 shares with aggregate market values of $143,006.78 and $145,062.00, respectively. The filer reports acquiring 40,501 shares on 09/05/2025 through RSU vesting and indicates prior sales of 17,500 shares on 07/29/2025 for $103,880.00. The form includes the standard representation that the seller is not aware of undisclosed material adverse information.
Marian Walters, a director of Eos Energy Enterprises, Inc. (EOSE), reported an insider sale on 09/03/2025. The filing shows 50,000 shares of Common Stock were disposed of in multiple transactions at a weighted average price of $7.90, with trade prices ranging from $7.66 to $8.04. After the sale, Ms. Walters directly beneficially owned 133,794 shares and indirectly held 5,000 shares via the D. and M. Walters Family Trust. The form was signed by an attorney-in-fact on behalf of Ms. Walters.
Eos Energy Enterprises (EOSE) reported a proposed sale of 50,000 common shares through UBS Financial Services with an aggregate market value of $395,091. The shares represent previously vested restricted stock units acquired on 06/15/2021 (5,198 shares), 05/15/2023 (10,600 shares) and 05/14/2025 (34,202 shares). The seller plans the transaction on or about 09/03/2025 on Nasdaq. The filing shows no sales by the same person in the past three months and includes the standard representation that the seller is not aware of undisclosed material adverse information.
Eos Energy Enterprises, Inc. is holding a virtual Special Meeting of Stockholders on October 16, 2025, at 10:00 a.m. Eastern Time. The meeting asks shareholders to approve the issuance of common stock to an "Affiliated Purchaser" upon redemption or conversion of certain notes under the Indenture as supplemented by the First Supplemental Indenture, to satisfy Nasdaq Listing Rule requirements. A second proposal seeks approval to adjourn the Special Meeting if further solicitation of proxies or a quorum is needed. Only holders of record at the close of business on August 20, 2025 may vote. The Board recommends shareholders vote FOR both the Share Issuance Proposal and the Adjournment Proposal. Proxy materials will be available at www.proxyvote.com and the Notice of Internet Availability will be mailed beginning on or about September 2, 2025.