{"transactions":[{"id":753714,"issuer":{"id":6098,"kind":"organization","name":"Soluna Holdings, Inc","symbol":"SLNH"},"owners":[{"id":42179,"kind":"person","name":"Marusak Thomas J","position":1,"cik":"0001312027","reported_name":"Marusak Thomas J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-03T20:30:18.000Z","date":"2026-06-01","kind":"grant","planned":false,"acquired":true,"shares":849556,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Transaction reported is a grant of 849,556 restricted stock awards representing shares of Common Stock, par value $0.001 per share, of the issuer (\"Common Stock\"), which were approved by the Compensation Committee. The shares of Common Stock will vest 100% upon the reporting person's separation from the issuer."}],"balance_after":1998596,"source":{"system":"sec-edgar","filing":"0001493152-26-027077","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/64463/000149315226027077/ownership.xml","form_type":"4"}},{"id":982978,"issuer":{"id":6098,"kind":"organization","name":"Soluna Holdings, Inc","symbol":"SLNH"},"owners":[{"id":42179,"kind":"person","name":"Marusak Thomas J","position":1,"cik":"0001312027","reported_name":"Marusak Thomas J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-12-03T22:03:19.000Z","date":"2025-12-01","kind":"grant","planned":false,"acquired":true,"shares":801222,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Transaction reported is a grant of 801,222 restricted stock awards representing shares of Common Stock, par value $0.001 per share, of the issuer (\"Common Stock\"), which were approved by the Compensation Committee. The shares of Common Stock will vest 100% upon the reporting person's separation from the issuer."}],"balance_after":1149040,"source":{"system":"sec-edgar","filing":"0001493152-25-026004","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/64463/000149315225026004/ownership.xml","form_type":"4"}},{"id":1052439,"issuer":{"id":6098,"kind":"organization","name":"Soluna Holdings, Inc","symbol":"SLNH"},"owners":[{"id":42179,"kind":"person","name":"Marusak Thomas J","position":1,"cik":"0001312027","reported_name":"Marusak Thomas J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-09-02T22:37:59.000Z","date":"2025-09-01","kind":"grant","planned":false,"acquired":true,"shares":116579,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Transaction reported is a grant of 116,579 restricted stock awards representing shares of Common Stock, par value $0.001 per share, of the issuer (\"Common Stock\"), which were approved by the Compensation Committee. The shares of Common Stock will vest 33% on September 1, 2026, 33% on September 1, 2027, and 34% on September 1, 2028, in each case subject to the reporting person remaining in the service of the issuer on each such vesting date."}],"balance_after":347818,"source":{"system":"sec-edgar","filing":"0001641172-25-026264","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/64463/000164117225026264/ownership.xml","form_type":"4"}},{"id":1126973,"issuer":{"id":6098,"kind":"organization","name":"Soluna Holdings, Inc","symbol":"SLNH"},"owners":[{"id":42179,"kind":"person","name":"Marusak Thomas J","position":1,"cik":"0001312027","reported_name":"Marusak Thomas J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-06-03T20:30:33.000Z","date":"2025-06-01","kind":"grant","planned":false,"acquired":true,"shares":86512,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Transaction reported is a grant of 86,512 restricted stock awards representing shares of Common Stock, par value $0.001 per share, of the issuer (\"Common Stock\"), which were approved by the Compensation Committee. The shares of Common Stock will vest 33% on June 1, 2026, 33% on June 1, 2027, and 34% on June 1, 2028, in each case subject to the reporting person remaining in the service of the issuer on each such vesting date."}],"balance_after":231239,"source":{"system":"sec-edgar","filing":"0001641172-25-013458","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/64463/000164117225013458/ownership.xml","form_type":"4"}},{"id":1138443,"issuer":{"id":6098,"kind":"organization","name":"Soluna Holdings, Inc","symbol":"SLNH"},"owners":[{"id":42179,"kind":"person","name":"Marusak Thomas J","position":1,"cik":"0001312027","reported_name":"Marusak Thomas J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-22T20:10:45.000Z","date":"2025-05-20","kind":"sale","planned":false,"acquired":false,"shares":1991,"price":0.8,"value":1592.8,"ownership":{"direct":true},"balance_after":144727,"source":{"system":"sec-edgar","filing":"0001641172-25-012074","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/64463/000164117225012074/ownership.xml","form_type":"4"}},{"id":1346551,"issuer":{"id":6098,"kind":"organization","name":"Soluna Holdings, Inc","symbol":"SLNH"},"owners":[{"id":42179,"kind":"person","name":"Marusak Thomas J","position":1,"cik":"0001312027","reported_name":"Marusak Thomas J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-12-04T02:30:07.000Z","date":"2024-12-01","kind":"grant","planned":false,"acquired":true,"shares":43044,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Transaction reported is a grant of 43,044 restricted stock awards representing shares of Common Stock, par value $0.001 per share, of the issuer (\"Common Stock\"), which were approved by the Compensation Committee. The shares of Common Stock will vest 33% on December 1, 2025, 33% on December 1, 2026, and 34% on December 1, 2027, in each case subject to the reporting person remaining in the service of the issuer on each such vesting date."}],"balance_after":146718,"source":{"system":"sec-edgar","filing":"0001493152-24-048561","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/64463/000149315224048561/ownership.xml","form_type":"4"}},{"id":1417165,"issuer":{"id":6098,"kind":"organization","name":"Soluna Holdings, Inc","symbol":"SLNH"},"owners":[{"id":42179,"kind":"person","name":"Marusak Thomas J","position":1,"cik":"0001312027","reported_name":"Marusak Thomas J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-09-05T01:42:15.000Z","date":"2024-09-01","kind":"grant","planned":false,"acquired":true,"shares":42568,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Transaction reported is a grant of 42,568 restricted stock awards representing shares of Common Stock, par value $0.001 per share, of the issuer (\"Common Stock\"), which were approved by the Compensation Committee. The shares of Common Stock will vest 33% on September 1, 2025, 33% on September 1, 2026, and 34% on September 1, 2027, in each case subject to the reporting person remaining in the service of the issuer on each such vesting date."}],"balance_after":103674,"source":{"system":"sec-edgar","filing":"0001493152-24-035055","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/64463/000149315224035055/ownership.xml","form_type":"4"}},{"id":1417164,"issuer":{"id":6098,"kind":"organization","name":"Soluna Holdings, Inc","symbol":"SLNH"},"owners":[{"id":42179,"kind":"person","name":"Marusak Thomas J","position":1,"cik":"0001312027","reported_name":"Marusak Thomas J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-09-05T01:42:15.000Z","date":"2024-09-01","kind":"grant","planned":false,"acquired":true,"shares":3453,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Transaction reported is a grant of 3,453 restricted stock awards representing shares of Common Stock, par value $0.001 per share, of the issuer (\"Common Stock\"), which were approved by the Compensation Committee. The shares of Common Stock will vest 33% immediately, 33% on June 1, 2025, and 34% on June 1, 2026, in each case subject to the reporting person remaining in the service of the issuer on each such vesting date."}],"balance_after":61106,"source":{"system":"sec-edgar","filing":"0001493152-24-035055","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/64463/000149315224035055/ownership.xml","form_type":"4"}},{"id":1491082,"issuer":{"id":6098,"kind":"organization","name":"Soluna Holdings, Inc","symbol":"SLNH"},"owners":[{"id":42179,"kind":"person","name":"Marusak Thomas J","position":1,"cik":"0001312027","reported_name":"Marusak Thomas J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common 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agreement of the reporting person and the issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"All shares of Common Stock subject to this stock option were vested and exercisable on the date of cancellation."}],"balance_after":0,"derivative":{"exercise_price":23.75,"expiration_date":"2027-11-22","underlying":"Common Stock","underlying_shares":3125},"source":{"system":"sec-edgar","filing":"0001493152-24-015101","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/64463/000149315224015101/ownership.xml","form_type":"4"}},{"id":1540800,"issuer":{"id":6098,"kind":"organization","name":"Soluna Holdings, Inc","symbol":"SLNH"},"owners":[{"id":42179,"kind":"person","name":"Marusak Thomas J","position":1,"cik":"0001312027","reported_name":"Marusak Thomas 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shares of Common Stock, which were approved by the Compensation Committee. The shares of Common Stock will vest 33% on June 1, 2024, 33% on June 1, 2025, and 34% on June 1, 2026, in each case subject to the reporting person remaining in the service of the issuer on each such vesting date."}],"balance_after":51672,"source":{"system":"sec-edgar","filing":"0001493152-24-015101","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/64463/000149315224015101/ownership.xml","form_type":"4"}},{"id":1540798,"issuer":{"id":6098,"kind":"organization","name":"Soluna Holdings, Inc","symbol":"SLNH"},"owners":[{"id":42179,"kind":"person","name":"Marusak Thomas J","position":1,"cik":"0001312027","reported_name":"Marusak Thomas J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"9.0% Series A Cumulative Perpetual Preferred Stock","published_at":"2024-04-18T00:30:31.000Z","date":"2024-04-15","kind":"grant","planned":false,"acquired":true,"shares":52977,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Transaction reported is a grant of 52,977 restricted stock awards representing shares of Series A Cumulative Perpetual Preferred Stock, par value $0.001 per share, of the issuer (\"Preferred Stock\"), which were approved by the Compensation Committee. The shares of Preferred Stock will vest 100% upon the reporting person's separation from the issuer."}],"balance_after":52977,"source":{"system":"sec-edgar","filing":"0001493152-24-015101","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/64463/000149315224015101/ownership.xml","form_type":"4"}},{"id":2106123,"issuer":{"id":6098,"kind":"organization","name":"Soluna Holdings, Inc","symbol":"SLNH"},"owners":[{"id":42179,"kind":"person","name":"Marusak Thomas J","position":1,"cik":"0001312027","reported_name":"Marusak Thomas J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock options (Right to Buy)","published_at":"2022-11-23T22:30:41.000Z","date":"2022-11-22","kind":"grant","acquired":true,"shares":78125,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The stock options were received as compensation for their services on the Board of Directors in lieu of quarterly cash payments for September 30, 2022 and December 31, 2022. The options become exercisable in two equal installments, 50% immediately and 50% on December 31, 2022. The stock options expire five years from the grant date. The exercise price is based on a 25% premium on the closing price of SLNH common stock as of 11/22/2022."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The stock options were received as compensation for their services on the Board of Directors in lieu of quarterly cash payments for September 30, 2022 and December 31, 2022. The options become exercisable in two equal installments, 50% immediately and 50% on December 31, 2022. The stock options expire five years from the grant date. The exercise price is based on a 25% premium on the closing price of SLNH common stock as of 11/22/2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The stock options were received as compensation for their services on the Board of Directors in lieu of quarterly cash payments for September 30, 2022 and December 31, 2022. The options become exercisable in two equal installments, 50% immediately and 50% on December 31, 2022. The stock options expire five years from the grant date. The exercise price is based on a 25% premium on the closing price of SLNH common stock as of 11/22/2022."}],"balance_after":107850,"derivative":{"exercise_price":0.9512,"expiration_date":"2027-11-22","underlying":"Common Stock","underlying_shares":78125},"source":{"system":"sec-edgar","filing":"0001493152-22-033629","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/64463/000149315222033629/ownership.xml","form_type":"4"}},{"id":2175621,"issuer":{"id":6098,"kind":"organization","name":"Soluna Holdings, Inc","symbol":"SLNH"},"owners":[{"id":42179,"kind":"person","name":"Marusak Thomas J","position":1,"cik":"0001312027","reported_name":"Marusak Thomas J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock options (Right to Buy)","published_at":"2022-08-24T16:26:07.000Z","date":"2022-08-18","kind":"exercise","acquired":false,"shares":9375,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On December 12, 2018, the reporting person was granted options to purchase 12,500 shares of common stock of the issuer, which vest in four equal annual installments beginning on the first anniversary of the grant date. As of August 18, 2022, options to purchase 9,375 shares of common stock were vested and options to purchase 3,125 shares of common stock remain unvested."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"On December 12, 2018, the reporting person was granted options to purchase 12,500 shares of common stock of the issuer, which vest in four equal annual installments beginning on the first anniversary of the grant date. As of August 18, 2022, options to purchase 9,375 shares of common stock were vested and options to purchase 3,125 shares of common stock remain unvested."}],"balance_after":3125,"derivative":{"exercise_price":0.9,"expiration_date":"2028-12-12","underlying":"Common Stock","underlying_shares":9375},"source":{"system":"sec-edgar","filing":"0001753926-22-001128","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/64463/000175392622001128/ownership.xml","form_type":"4/A","original_submission_date":"2022-08-22"}},{"id":2175620,"issuer":{"id":6098,"kind":"organization","name":"Soluna Holdings, Inc","symbol":"SLNH"},"owners":[{"id":42179,"kind":"person","name":"Marusak Thomas J","position":1,"cik":"0001312027","reported_name":"Marusak Thomas J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock options (Right to Buy)","published_at":"2022-08-24T16:26:07.000Z","date":"2022-08-18","kind":"exercise","acquired":false,"shares":19000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"On March 5, 2015, the reporting person was granted options to purchase 19,000 shares of common stock of the issuer, which vest in four equal annual installments beginning on the first anniversary of the grant date. As of August 18, 2022, options to purchase 19,000 shares of common stock were vested."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"On March 5, 2015, the reporting person was granted options to purchase 19,000 shares of common stock of the issuer, which vest in four equal annual installments beginning on the first anniversary of the grant date. As of August 18, 2022, options to purchase 19,000 shares of common stock were vested."}],"balance_after":0,"derivative":{"exercise_price":1.2,"expiration_date":"2025-03-05","underlying":"Common Stock","underlying_shares":19000},"source":{"system":"sec-edgar","filing":"0001753926-22-001128","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/64463/000175392622001128/ownership.xml","form_type":"4/A","original_submission_date":"2022-08-22"}},{"id":2175619,"issuer":{"id":6098,"kind":"organization","name":"Soluna Holdings, Inc","symbol":"SLNH"},"owners":[{"id":42179,"kind":"person","name":"Marusak Thomas J","position":1,"cik":"0001312027","reported_name":"Marusak Thomas J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-08-24T16:26:07.000Z","date":"2022-08-18","kind":"exercise","acquired":true,"shares":9375,"price":0.9,"value":8437.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This corrects Mr. Marusak's Form 4 filed on August 22, 2022, which inadvertently reported the incorrect number of shares of common stock acquired by Mr. Marusak upon the exercise of his options due to a typographical error. The correct beneficial ownership was reported in Column 5."}],"balance_after":262400,"source":{"system":"sec-edgar","filing":"0001753926-22-001128","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/64463/000175392622001128/ownership.xml","form_type":"4/A","original_submission_date":"2022-08-22"}},{"id":2175618,"issuer":{"id":6098,"kind":"organization","name":"Soluna Holdings, Inc","symbol":"SLNH"},"owners":[{"id":42179,"kind":"person","name":"Marusak Thomas J","position":1,"cik":"0001312027","reported_name":"Marusak Thomas J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-08-24T16:26:07.000Z","date":"2022-08-18","kind":"exercise","acquired":true,"shares":19000,"price":1.2,"value":22800.0,"ownership":{"direct":true},"balance_after":253025,"source":{"system":"sec-edgar","filing":"0001753926-22-001128","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/64463/000175392622001128/ownership.xml","form_type":"4/A","original_submission_date":"2022-08-22"}},{"id":2177739,"issuer":{"id":6098,"kind":"organization","name":"Soluna Holdings, Inc","symbol":"SLNH"},"owners":[{"id":42179,"kind":"person","name":"Marusak Thomas J","position":1,"cik":"0001312027","reported_name":"Marusak Thomas J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock options (Right to Buy)","published_at":"2022-08-23T00:26:54.000Z","date":"2022-08-18","kind":"exercise","acquired":false,"shares":9375,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"On December 12, 2018, the reporting person was granted options to purchase 12,500 shares of common stock of the issuer, which vest in four equal annual installments beginning on the first anniversary of the grant date. As of August 18, 2022, options to purchase 9,375 shares of common stock were vested and options to purchase 3,125 shares of common stock remain unvested."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"On December 12, 2018, the reporting person was granted options to purchase 12,500 shares of common stock of the issuer, which vest in four equal annual installments beginning on the first anniversary of the grant date. 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