4processed

Form 4 — Insider Transaction

Horizon Kinetics Holding Corp(HKHC)

Filing Date

May 20, 2026

Accepted

May 20, 2026

Accession No.

0001437749-26-018001

CIK

0000088000

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
Rosenthal Brent DOther700$27.852.5KCommon StockMay 20, 2026