{"transactions":[{"id":960469,"issuer":{"id":1286,"kind":"organization","name":"Horizon Kinetics Holding Corp","symbol":"HKHC"},"owners":[{"id":19280,"kind":"organization","name":"Maran Partners Fund, LP","position":1,"cik":"0001655289","reported_name":"Maran Partners Fund, LP","relationship":{"other":true,"other_text":"Affiliate"}},{"id":19279,"kind":"person","name":"Roller Daniel J","position":2,"cik":"0001829268","reported_name":"Roller Daniel J","relationship":{"director":true}},{"id":19281,"kind":"organization","name":"Maran Partners GP, LLC","position":3,"cik":"0001829261","reported_name":"Maran Partners GP, LLC","relationship":{"other":true,"other_text":"Affiliate"}},{"id":70935,"kind":"organization","name":"Maran SPV, LP","position":4,"cik":"0001825478","reported_name":"Maran SPV, LP","relationship":{"other":true,"other_text":"Affiliate"}},{"id":19282,"kind":"organization","name":"Maran Capital Management, LLC","position":5,"cik":"0001829240","reported_name":"Maran Capital Management, LLC","relationship":{"other":true,"other_text":"Affiliate"}},{"id":69376,"kind":"organization","name":"Maran SPV GP, LLC","position":6,"cik":"0001829571","reported_name":"Maran SPV GP, LLC","relationship":{"other":true,"other_text":"Affiliate"}}],"security":"Common Stock","published_at":"2025-12-23T21:54:46.000Z","date":"2025-12-23","kind":"other","planned":false,"acquired":false,"shares":42000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Maran SPV, LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by Maran Partners Fund, LP (\"MPF\"), a Delaware limited partnership, Maran Partners GP, LLC (\"MPGP\"), a Delaware limited liability company, Maran SPV, LP (\"MSPV\"), a Delaware limited partnership, Maran SPV GP, LLC (\"MSPVGP\"), a Colorado limited liability company, Maran Capital Management, LLC (\"MCM\"), a Delaware limited liability company, and Daniel J. Roller (collectively, the \"Reporting Persons\")."},{"field":"kind","element":"transactionCoding","label":"F4","text":"The shares were distributed to its Limited Partners as MSPV is winding down."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Securities owned directly by MSPV. The reported securities may be deemed to be indirectly beneficially owned by MSPVGP, as the general partner of the MSPV. The reported securities may also be deemed to be indirectly beneficially owned by MCM, as the investment manager of MSPV. The reported securities may also be deemed to be indirectly beneficially owned by Daniel J. Roller, as the sole managing member of MSPVGP and MCM. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001437749-25-038709","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88000/000143774925038709/rdgdoc.xml","form_type":"4"}},{"id":960468,"issuer":{"id":1286,"kind":"organization","name":"Horizon Kinetics Holding Corp","symbol":"HKHC"},"owners":[{"id":19280,"kind":"organization","name":"Maran Partners Fund, LP","position":1,"cik":"0001655289","reported_name":"Maran Partners Fund, LP","relationship":{"other":true,"other_text":"Affiliate"}},{"id":19279,"kind":"person","name":"Roller Daniel J","position":2,"cik":"0001829268","reported_name":"Roller Daniel J","relationship":{"director":true}},{"id":19281,"kind":"organization","name":"Maran Partners GP, LLC","position":3,"cik":"0001829261","reported_name":"Maran Partners GP, LLC","relationship":{"other":true,"other_text":"Affiliate"}},{"id":70935,"kind":"organization","name":"Maran SPV, LP","position":4,"cik":"0001825478","reported_name":"Maran SPV, LP","relationship":{"other":true,"other_text":"Affiliate"}},{"id":19282,"kind":"organization","name":"Maran Capital Management, LLC","position":5,"cik":"0001829240","reported_name":"Maran Capital Management, LLC","relationship":{"other":true,"other_text":"Affiliate"}},{"id":69376,"kind":"organization","name":"Maran SPV GP, LLC","position":6,"cik":"0001829571","reported_name":"Maran SPV GP, LLC","relationship":{"other":true,"other_text":"Affiliate"}}],"security":"Common Stock","published_at":"2025-12-23T21:54:46.000Z","date":"2025-12-23","kind":"other","planned":false,"acquired":true,"shares":25360,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by Maran Partners Fund, LP (\"MPF\"), a Delaware limited partnership, Maran Partners GP, LLC (\"MPGP\"), a Delaware limited liability company, Maran SPV, LP (\"MSPV\"), a Delaware limited partnership, Maran SPV GP, LLC (\"MSPVGP\"), a Colorado limited liability company, Maran Capital Management, LLC (\"MCM\"), a Delaware limited liability company, and Daniel J. Roller (collectively, the \"Reporting Persons\")."},{"field":"kind","element":"transactionCoding","label":"F2","text":"In-kind contributions to MPF."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Securities owned directly by MPF. The reported securities may be deemed to be indirectly beneficially owned by MPGP, as the general partner of MPF. The reported securities may also be deemed to be indirectly beneficially owned by MCM, as the investment manager of MPF. The reported securities may also be deemed to be indirectly beneficially owned by Daniel J. Roller, as the sole managing member of MPGP and MCM. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."}],"balance_after":236066,"source":{"system":"sec-edgar","filing":"0001437749-25-038709","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88000/000143774925038709/rdgdoc.xml","form_type":"4"}},{"id":1826496,"issuer":{"id":1286,"kind":"organization","name":"Horizon Kinetics Holding Corp","symbol":"HKHC"},"owners":[{"id":19282,"kind":"organization","name":"Maran Capital Management, LLC","position":1,"cik":"0001829240","reported_name":"Maran Capital Management, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":19280,"kind":"organization","name":"Maran Partners Fund, LP","position":2,"cik":"0001655289","reported_name":"Maran Partners Fund, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":19281,"kind":"organization","name":"Maran Partners GP, LLC","position":3,"cik":"0001829261","reported_name":"Maran Partners GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":70935,"kind":"organization","name":"Maran SPV, LP","position":4,"cik":"0001825478","reported_name":"Maran SPV, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":69376,"kind":"organization","name":"Maran SPV GP, LLC","position":5,"cik":"0001829571","reported_name":"Maran SPV GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":19279,"kind":"person","name":"Roller Daniel J","position":6,"cik":"0001829268","reported_name":"Roller Daniel J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.10 per share","published_at":"2023-07-20T21:01:22.000Z","date":"2023-07-18","kind":"purchase","planned":false,"acquired":true,"shares":90000,"price":0.33,"value":29700.0,"ownership":{"direct":false,"nature":"By Daniel J. Roller"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by Maran Partners Fund, LP (\"Maran Partners LP\"), Maran Partners GP, LLC (\"Maran Partners GP\"), Maran SPV, LP (\"Maran SPV\"), Maran SPV GP, LLC (\"Maran SPV GP\"), Maran Capital Management, LLC (\"Maran Capital Management\")\nand Daniel J. Roller (collectively, the \"Reporting Persons\"). Each of the Reporting Persons is a member of a Section 13(d) group that collectively owns more than 10% of the Issuer's outstanding shares of Common Stock, par value $0.10 per share. Additionally, Mr. Roller is a director of the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares are owned directly by Daniel J. Roller."}],"balance_after":190000,"source":{"system":"sec-edgar","filing":"0001829240-23-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88000/000182924023000002/primary_doc.xml","form_type":"4"}},{"id":1826495,"issuer":{"id":1286,"kind":"organization","name":"Horizon Kinetics Holding Corp","symbol":"HKHC"},"owners":[{"id":19282,"kind":"organization","name":"Maran Capital Management, LLC","position":1,"cik":"0001829240","reported_name":"Maran Capital Management, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":19280,"kind":"organization","name":"Maran Partners Fund, LP","position":2,"cik":"0001655289","reported_name":"Maran Partners Fund, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":19281,"kind":"organization","name":"Maran Partners GP, LLC","position":3,"cik":"0001829261","reported_name":"Maran Partners GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":70935,"kind":"organization","name":"Maran SPV, LP","position":4,"cik":"0001825478","reported_name":"Maran SPV, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":69376,"kind":"organization","name":"Maran SPV GP, LLC","position":5,"cik":"0001829571","reported_name":"Maran SPV GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":19279,"kind":"person","name":"Roller Daniel J","position":6,"cik":"0001829268","reported_name":"Roller Daniel J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.10 per share","published_at":"2023-07-20T21:01:22.000Z","date":"2023-07-18","kind":"purchase","planned":false,"acquired":true,"shares":704067,"price":0.33,"value":232342.11,"ownership":{"direct":false,"nature":"By Maran Partners Fund, LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by Maran Partners Fund, LP (\"Maran Partners LP\"), Maran Partners GP, LLC (\"Maran Partners GP\"), Maran SPV, LP (\"Maran SPV\"), Maran SPV GP, LLC (\"Maran SPV GP\"), Maran Capital Management, LLC (\"Maran Capital Management\")\nand Daniel J. Roller (collectively, the \"Reporting Persons\"). Each of the Reporting Persons is a member of a Section 13(d) group that collectively owns more than 10% of the Issuer's outstanding shares of Common Stock, par value $0.10 per share. Additionally, Mr. Roller is a director of the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Securities owned directly by Maran Partners LP. As the general partner of Maran Partners LP, Maran Partners GP may be deemed to beneficially own the securities owned directly by Maran Partners LP. As the investment manager of Maran Partners LP, Maran Capital Management may be deemed to beneficially own the securities owned directly by Maran Partners LP. As the sole managing member of each of Maran Capital Management and Maran Partners GP, Mr. Roller may be deemed to beneficially own the securities owned directly by Maran Partners LP. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."}],"balance_after":4214150,"source":{"system":"sec-edgar","filing":"0001829240-23-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88000/000182924023000002/primary_doc.xml","form_type":"4"}},{"id":1856692,"issuer":{"id":1286,"kind":"organization","name":"Horizon Kinetics Holding Corp","symbol":"HKHC"},"owners":[{"id":19282,"kind":"organization","name":"Maran Capital Management, LLC","position":1,"cik":"0001829240","reported_name":"Maran Capital Management, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":19280,"kind":"organization","name":"Maran Partners Fund, LP","position":2,"cik":"0001655289","reported_name":"Maran Partners Fund, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":19281,"kind":"organization","name":"Maran Partners GP, LLC","position":3,"cik":"0001829261","reported_name":"Maran Partners GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":70935,"kind":"organization","name":"Maran SPV, LP","position":4,"cik":"0001825478","reported_name":"Maran SPV, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":69376,"kind":"organization","name":"Maran SPV GP, LLC","position":5,"cik":"0001829571","reported_name":"Maran SPV GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":19279,"kind":"person","name":"Roller Daniel J","position":6,"cik":"0001829268","reported_name":"Roller Daniel J","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.10 per share","published_at":"2023-06-14T20:24:57.000Z","date":"2023-06-12","kind":"purchase","planned":false,"acquired":true,"shares":2730013,"price":0.33,"value":900904.29,"ownership":{"direct":false,"nature":"By Maran Partners Fund, LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by Maran Partners Fund, LP (\"Maran Partners LP\"), Maran Partners GP, LLC (\"Maran Partners GP\"), Maran SPV, LP (\"Maran SPV\"), Maran SPV GP, LLC (\"Maran SPV GP\"), Maran Capital Management, LLC (\"Maran Capital Management\")and Daniel J. Roller (collectively, the \"Reporting Persons\"). Each of the Reporting Persons is a member of a Section 13(d) group that collectively owns more than 10% of the Issuer's outstanding shares of Common Stock, par value $0.10 per share. Additionally, Mr. Roller\nis a director of the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Securities owned directly by Maran Partners LP. As the general partner of Maran Partners LP, Maran Partners GP may be deemed to beneficially own the securities owned directly by Maran Partners LP. As the investment manager of Maran Partners LP, Maran Capital Management may be deemed to beneficially own the securities owned directly by Maran Partners LP. As the sole managing member of each of Maran Capital Management and Maran Partners GP, Mr. Roller may be deemed to beneficially own the securities owned directly by Maran Partners LP. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."}],"balance_after":3510083,"source":{"system":"sec-edgar","filing":"0001829240-23-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88000/000182924023000001/primary_doc.xml","form_type":"4"}}]}