{"schema_version":"secwatch.filing_event.v1","accession":"0001828536-25-000181","form_type":"8-K","ticker":"NRGV","cik":"0001828536","company_name":"Energy Vault Holdings, Inc.","filed_at":"2025-09-26T23:59:59+00:00","discovered_at":"2026-05-14T18:02:45.182339+00:00","generated_at":"2026-05-17T05:35:57.795551+00:00","sec_items":["1.01","2.03","3.02","8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Energy Vault secures $50M convertible debenture facility for working capital and project growth","bullets":["Initial $30M tranche funded at closing; up to $50M total in senior unsecured convertible debentures.","Debentures carry 7% annual interest (18% default), 18-month maturity, conversion at $4.50/share (150% of VWAP).","Proceeds to fund general working capital, project development, and energy storage growth.","Company also has $300M preferred equity investment pending for Asset Vault subsidiary.","Investor cannot short; conversion capped at 19.99% of outstanding common unless stockholder approval."],"urls":{"canonical":"https://secwatch.observer/filing/0001828536-25-000181","json":"https://secwatch.observer/filing/0001828536-25-000181.json","markdown":"https://secwatch.observer/filing/0001828536-25-000181.md","text":"https://secwatch.observer/filing/0001828536-25-000181.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1828536/000182853625000181/0001828536-25-000181-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1828536/000182853625000181/nrgv-20250922.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T05:35:57.795551+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":[{"claim_id":"bb2677f536b45ea7a14a1ad1384769c5289677d8","claim":"Energy Vault Holdings, Inc. incurred convertible notes of $50.0 million in aggregate principal amount with YA II PN, Ltd. at 7% annual interest rate maturing 18-month maturity.","evidence_excerpt":"On September 22, 2025 , Energy Vault Holdings, Inc. (the “Company”) entered into a Securities Purchase Agreement (the “Purchase Agreement”) with YA II PN, Ltd. (the “Investor”), pursuant to which the Company agreed to issue and sell up to $50.0 million in aggregate principal amount of senior unsecured convertible debentures (the “Debentures”) in multiple tranches.","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1828536/000182853625000181/0001828536-25-000181-index.htm","confidence":0.9,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"convertible notes"},{"label":"Principal","value":"$50.0 million in aggregate principal amount"},{"label":"Counterparty","value":"YA II PN, Ltd."},{"label":"Rate","value":"7% annual interest rate"},{"label":"Maturity","value":"18-month maturity"},{"label":"Event","value":"incurrence"}],"fact_type":"debt_financing"},{"claim_id":"660fcc20fd9ee0427b239e270ed3acce6a3e5570","claim":"Energy Vault Holdings, Inc. issued convertible note to YA II PN, Ltd. for up to $50.0 million in aggregate principal amount.","evidence_excerpt":"On September 22, 2025 , Energy Vault Holdings, Inc. (the “Company”) entered into a Securities Purchase Agreement (the “Purchase Agreement”) with YA II PN, Ltd. (the “Investor”), pursuant to which the Company agreed to issue and sell up to $50.0 million in aggregate principal amount of senior unsecured convertible debentures","evidence_source":"SEC 8-K Item 3.02/3.03","evidence_url":"https://www.sec.gov/Archives/edgar/data/1828536/000182853625000181/0001828536-25-000181-index.htm","confidence":0.9,"family_label":"Equity Issuances","details":[{"label":"Security","value":"convertible note"},{"label":"Purchaser","value":"YA II PN, Ltd."},{"label":"Consideration","value":"up to $50.0 million in aggregate principal amount"}],"fact_type":"equity_issuance"},{"claim_id":"e51660250b3b5ea0ca7d6aeb611951117edb6096","claim":"Energy Vault Holdings, Inc. issued 4,500,000 warrants of warrant to Dorado Goose LLC.","evidence_excerpt":"On August 18, 2025, the Company completed the private sale of an aggregate of 4,500,000 warrants (the “Warrants) to purchase shares of Common Stock at an exercise price ranging from $1.50 per share to $3.00 per share to Dorado Goose LLC, a Puerto Rico limited liability company.","evidence_source":"SEC 8-K Item 3.02/3.03","evidence_url":"https://www.sec.gov/Archives/edgar/data/1828536/000182853625000181/0001828536-25-000181-index.htm","confidence":0.9,"family_label":"Equity Issuances","details":[{"label":"Security","value":"warrant"},{"label":"Shares","value":"4,500,000 warrants"},{"label":"Purchaser","value":"Dorado Goose LLC"}],"fact_type":"equity_issuance"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}