X0508 4 2025-12-23 0000088000 Horizon Kinetics Holding Corp HKHC 0001655289 Maran Partners Fund, LP 250 FILLMORE STREET SUITE 150 DENVER CO 80206 1 Affiliate 0001829268 Roller Daniel J 250 FILLMORE ST UNIT 150 DENVER CO 80206 1 0001829261 Maran Partners GP, LLC 250 FILLMORE ST UNIT 150 DENVER CO 80206 1 Affiliate 0001825478 Maran SPV, LP 250 FILLMORE ST UNIT 150 DENVER CO 80206 1 Affiliate 0001829240 Maran Capital Management, LLC 250 FILLMORE ST UNIT 150 DENVER CO 80206 1 Affiliate 0001829571 Maran SPV GP, LLC 250 FILLMORE ST UNIT 150 DENVER CO 80206 1 Affiliate 0 Common Stock 2025-12-23 4 J 0 25360 0 A 236066 D Common Stock 2025-12-23 4 J 0 42000 0 D 0 I Maran SPV, LP Common Stock 9500 I Daniel J. Roller 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"). In-kind contributions to MPF. 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. The shares were distributed to its Limited Partners as MSPV is winding down. 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. /s/ Jay Kesslen, attorney-in-fact 2025-12-23