{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-25-047695","form_type":"8-K","ticker":"EOSE","cik":"0001805077","company_name":"Eos Energy Enterprises, Inc.","filed_at":"2025-10-31T23:59:59+00:00","discovered_at":"2026-05-14T18:02:40.516909+00:00","generated_at":"2026-05-17T01:08:21.035071+00:00","sec_items":["7.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Eos Energy secures 228 MWh order from Frontier Power, achieves Cerberus milestone","bullets":["228 MWh order for Z3 systems, first conversion under April 2025 5 GWh framework agreement.","Frontier advanced 11 GWh of projects to Ofgem Cap-and-Floor program using Eos technology.","Cerberus final cash receipt milestone satisfied; no additional preferred stock or warrants issued.","Partnership aims to deploy long-duration storage across multiple international markets.","Eos Z3 zinc-based BESS offers enhanced energy density and non-flammable safety for grid scale."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-25-047695","json":"https://secwatch.observer/filing/0001628280-25-047695.json","markdown":"https://secwatch.observer/filing/0001628280-25-047695.md","text":"https://secwatch.observer/filing/0001628280-25-047695.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1805077/000162828025047695/0001628280-25-047695-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1805077/000162828025047695/eose-20251031.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T01:08:21.035071+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}