{"filing":{"accession_number":"0001628280-26-061689","cik":"0001805077","ticker":"EOSE","company_name":"Eos Energy Enterprises, Inc.","form":"8-K","filing_date":"2026-09-14","report_date":"2026-09-10","primary_document":"eose-20260910.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1805077/000162828026061689/eose-20260910.htm"},"events":[{"id":33162,"run_id":30487,"accession_number":"0001628280-26-061689","anchor_item_number":"2.03","event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.92,"summary":"Eos Energy received a third advance of $87,018,601 from the Federal Financing Bank under its DOE-guaranteed promissory note on September 10, 2026, representing a drawdown under an existing facility with a maximum principal of $277.5 million. This advance brings total drawn funds to $178 million and is material to the company's capital structure and liquidity position for scaling operations and manufacturing capacity.","company_name":"Eos Energy Enterprises, Inc.","ticker":"EOSE","filing_date":"2026-09-14","form":"8-K","submitted_at":null,"items":[{"id":36531,"accession_number":"0001628280-26-061689","item_number":"2.03","item_title":"Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.","event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.95,"reasoning":"The filing discloses a third advance of $87,018,601 funded by the Federal Financing Bank under the DOE-guaranteed promissory note on September 10, 2026. This represents a drawdown under an existing debt facility with a maximum principal of $277.5 million. While the underlying facility was established in November 2024, this Item 2.03 disclosure specifically addresses the creation and funding of a direct financial obligation—the third loan advance—which is material to the registrant's capital structure and liquidity position.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-14T12:32:40.249013+00:00","company_name":"","ticker":null,"filing_date":""},{"id":36532,"accession_number":"0001628280-26-061689","item_number":"7.01","item_title":"Regulation FD Disclosure","event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.75,"reasoning":"Eos Energy announced receipt of an $87 million advance under its DOE loan facility on September 14, 2026, representing the first advance under the second tranche and bringing total drawn funds to $178 million. While this is technically a draw on an existing credit facility rather than a new debt issuance, it represents a material creation or increase of a direct financial obligation that affects the company's capital structure and liquidity position. The disclosure emphasizes the significance of this funding to scaling operations and manufacturing capacity, making it material to investors.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-14T12:32:40.249013+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":36531,"accession_number":"0001628280-26-061689","item_number":"2.03","item_title":"Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.","event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.95,"reasoning":"The filing discloses a third advance of $87,018,601 funded by the Federal Financing Bank under the DOE-guaranteed promissory note on September 10, 2026. This represents a drawdown under an existing debt facility with a maximum principal of $277.5 million. While the underlying facility was established in November 2024, this Item 2.03 disclosure specifically addresses the creation and funding of a direct financial obligation—the third loan advance—which is material to the registrant's capital structure and liquidity position.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-14T12:32:40.249013+00:00","company_name":"Eos Energy Enterprises, Inc.","ticker":"EOSE","filing_date":"2026-09-14"},{"id":36532,"accession_number":"0001628280-26-061689","item_number":"7.01","item_title":"Regulation FD Disclosure","event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.75,"reasoning":"Eos Energy announced receipt of an $87 million advance under its DOE loan facility on September 14, 2026, representing the first advance under the second tranche and bringing total drawn funds to $178 million. While this is technically a draw on an existing credit facility rather than a new debt issuance, it represents a material creation or increase of a direct financial obligation that affects the company's capital structure and liquidity position. The disclosure emphasizes the significance of this funding to scaling operations and manufacturing capacity, making it material to investors.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-14T12:32:40.249013+00:00","company_name":"Eos Energy Enterprises, Inc.","ticker":"EOSE","filing_date":"2026-09-14"}]}