X0206 3 2024-08-01 0 0000088000 Horizon Kinetics Holding Corp HKHC 0002033370 Horizon Common Inc 470 PARK AVENUE SOUTH 8TH FLOOR SOUTH NEW YORK NY 10016 1 Common Stock 8216437 D 8,214,337 of the 8,216,437 shares reported, which were received on August 1,2024 in connection with the merger between Horizon Kinetics LLC and Scott's Liquid Gold-Inc, are not currently available for trading. /s/ Jay Kesslen, attorney-in-fact 2025-05-05