Insider trades

Herndon Mark

Herndon Mark made 3 buys and 0 sales on the open market in the last 12 months at Horizon Kinetics Holding Corporation. Each trade with the role, price and filing.

DateCompanyTradeSharesPrice
Aug 20, 2026Horizon Kinetics Holding CorporationBuy200US$27
Aug 19, 2026Horizon Kinetics Holding CorporationBuy50US$27
May 20, 2026Horizon Kinetics Holding CorporationBuy100US$28