{"transactions":[{"id":682552,"issuer":{"id":5363,"kind":"organization","name":"Energy Vault Holdings, Inc."},"owners":[{"id":21999,"kind":"person","name":"Hixon Dylan","position":1,"cik":"0002063923","reported_name":"Hixon Dylan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-08-18T13:43:48.000Z","date":"2026-08-17","kind":"purchase","planned":false,"acquired":true,"shares":27472,"price":3.878,"value":106536.416,"ownership":{"direct":false,"nature":"Held by Dylan Hixon Childrens Trust FBO Casimir R. Hixon"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Mr. Hixon is the sole trustee of the Dylan Hixon Childrens Trust FBO Casimir R. Hixon. Mr. Hixon may be deemed to have beneficial ownership of the securities held by such trust. Mr. Hixon disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein"}],"balance_after":27472,"source":{"system":"sec-edgar","filing":"0002063923-26-000004","document":"wk-form4_1787060626.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1828536/000206392326000004/wk-form4_1787060626.xml","form_type":"4"}},{"id":685052,"issuer":{"id":5363,"kind":"organization","name":"Energy Vault Holdings, Inc."},"owners":[{"id":21999,"kind":"person","name":"Hixon Dylan","position":1,"cik":"0002063923","reported_name":"Hixon Dylan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-08-17T13:57:22.000Z","date":"2026-08-14","kind":"purchase","planned":false,"acquired":true,"shares":31864,"price":3.75,"value":119490.0,"ownership":{"direct":false,"nature":"By son"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"This transaction involved the purchase of shares of common stock by the reporting persons son. The reporting person disclaims beneficial ownership of the securities held by his son, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose."}],"balance_after":31864,"source":{"system":"sec-edgar","filing":"0001828536-26-000103","document":"wk-form4_1786975039.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1828536/000182853626000103/wk-form4_1786975039.xml","form_type":"4"}},{"id":685051,"issuer":{"id":5363,"kind":"organization","name":"Energy Vault Holdings, Inc."},"owners":[{"id":21999,"kind":"person","name":"Hixon Dylan","position":1,"cik":"0002063923","reported_name":"Hixon Dylan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-08-17T13:57:22.000Z","date":"2026-08-14","kind":"purchase","planned":false,"acquired":true,"shares":26809,"price":3.733,"value":100077.997,"ownership":{"direct":false,"nature":"Held by DHH Hixon Family Great Grandchildrens Trust FBO Soren A. Hixon"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Hixon is the sole trustee of the DHH Hixon Family Great Grandchildrens Trust FBO Soren A. Hixon. Mr. Hixon may be deemed to have beneficial ownership of the securities held by such trust. Mr. Hixon disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein."}],"balance_after":26809,"source":{"system":"sec-edgar","filing":"0001828536-26-000103","document":"wk-form4_1786975039.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1828536/000182853626000103/wk-form4_1786975039.xml","form_type":"4"}},{"id":685050,"issuer":{"id":5363,"kind":"organization","name":"Energy Vault Holdings, Inc."},"owners":[{"id":21999,"kind":"person","name":"Hixon Dylan","position":1,"cik":"0002063923","reported_name":"Hixon Dylan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-08-17T13:57:22.000Z","date":"2026-08-14","kind":"purchase","planned":false,"acquired":true,"shares":26845,"price":3.733,"value":100212.385,"ownership":{"direct":false,"nature":"Held by DHH Hixon Family Great Grandchildrens Trust FBO Casimir R. Hixon"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Mr. Hixon is the sole trustee of the  DHH Hixon Family Great Grandchildrens Trust FBO Casimir R. Hixon. Mr. Hixon may be deemed to have beneficial ownership of the securities held by such trust. Mr. Hixon disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein."}],"balance_after":26845,"source":{"system":"sec-edgar","filing":"0001828536-26-000103","document":"wk-form4_1786975039.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1828536/000182853626000103/wk-form4_1786975039.xml","form_type":"4"}},{"id":756650,"issuer":{"id":5363,"kind":"organization","name":"Energy Vault Holdings, Inc."},"owners":[{"id":21999,"kind":"person","name":"Hixon Dylan","position":1,"cik":"0002063923","reported_name":"Hixon Dylan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-01T20:42:41.000Z","date":"2026-05-29","kind":"grant","planned":false,"acquired":true,"shares":19153,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects an award of restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. The RSUs vest (subject to the reporting person's continued service on the Board) on June 1, 2027."}],"balance_after":117602,"source":{"system":"sec-edgar","filing":"0001828536-26-000074","document":"wk-form4_1780346558.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1828536/000182853626000074/wk-form4_1780346558.xml","form_type":"4"}},{"id":1035968,"issuer":{"id":5363,"kind":"organization","name":"Energy Vault Holdings, Inc."},"owners":[{"id":21999,"kind":"person","name":"Hixon Dylan","position":1,"cik":"0002063923","reported_name":"Hixon Dylan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-09-18T20:22:47.000Z","date":"2025-09-16","kind":"grant","planned":false,"acquired":true,"shares":98449,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects an award of restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. The RSUs vest (subject to the reporting person's continued service\non the Board) after the third anniversary of the Vesting Commencement Date - March 31, 2025."}],"balance_after":98449,"source":{"system":"sec-edgar","filing":"0002063923-25-000005","document":"wk-form4_1758226965.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1828536/000206392325000005/wk-form4_1758226965.xml","form_type":"4"}},{"id":1052546,"issuer":{"id":5363,"kind":"organization","name":"Energy Vault Holdings, Inc."},"owners":[{"id":21999,"kind":"person","name":"Hixon Dylan","position":1,"cik":"0002063923","reported_name":"Hixon Dylan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-29T17:42:51.000Z","date":"2025-08-29","kind":"purchase","planned":false,"acquired":true,"shares":20000,"price":1.9155,"value":38310.0,"ownership":{"direct":false,"nature":"Held by Arden Road Investments LLC"},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Shares are purchased in one transactions at a price given in Column 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Hixon is the sole trustee of the \"Dylan Trust under the JMH-ICH Lex Trust\" which holds shares in Arden Road Investments LLC. Mr. Hixon may be deemed to have beneficial ownership of the\nsecurities held by the Dylan Trust. Mr. Hixon disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein."}],"balance_after":900065,"source":{"system":"sec-edgar","filing":"0001828536-25-000135","document":"wk-form4_1756489367.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1828536/000182853625000135/wk-form4_1756489367.xml","form_type":"4"}},{"id":1052545,"issuer":{"id":5363,"kind":"organization","name":"Energy Vault Holdings, Inc."},"owners":[{"id":21999,"kind":"person","name":"Hixon Dylan","position":1,"cik":"0002063923","reported_name":"Hixon Dylan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-29T17:19:21.000Z","date":"2025-08-14","kind":"purchase","planned":false,"acquired":true,"shares":20000,"price":1.4956,"value":29912.0,"ownership":{"direct":false,"nature":"Held by Arden Road Investments LLC"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This amendment on Form 4A is being filed to correct an error in reporting on the Reporting Persons previously filed Form 4 filed on August 14, 2025. The previously filed 4 mistakenly a. reported the Ownership Form in Column 6 of Table I as Direct rather than Indirect and accordingly did not describe the Nature of Indirect Beneficial Ownership in Column 7 of Table I and b. overstated the Amount of Securities Acquired in Column 4 of Table I due to a typographical error."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F2","text":"The shares are purchased in one transaction at a price given in Column 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Mr. Hixon is the sole trustee of the \"Dylan Trust under the JMH-ICH Lex Trust\" which holds shares in Arden Road Investments LLC. Mr. Hixon may be deemed to have beneficial ownership of the securities held by the Dylan Trust. Mr. Hixon disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein."}],"balance_after":880065,"source":{"system":"sec-edgar","filing":"0001828536-25-000133","document":"wk-form4a_1756487957.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1828536/000182853625000133/wk-form4a_1756487957.xml","form_type":"4/A","original_submission_date":"2025-08-14"}},{"id":1066073,"issuer":{"id":5363,"kind":"organization","name":"Energy Vault Holdings, Inc."},"owners":[{"id":21999,"kind":"person","name":"Hixon Dylan","position":1,"cik":"0002063923","reported_name":"Hixon Dylan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-14T19:09:30.000Z","date":"2025-08-14","kind":"purchase","planned":false,"acquired":true,"shares":20000,"price":1.4956,"value":29912.0,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The shares are purchased in one transaction at a price given in Column 4."}],"balance_after":220000,"source":{"system":"sec-edgar","filing":"0001828536-25-000115","document":"wk-form4_1755198566.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1828536/000182853625000115/wk-form4_1755198566.xml","form_type":"4"}}]}