Herndon Mark - Insider Non-Derivative Transactions at Horizon Kinetics Holding Corp (HKHC) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Nov 20, 2025, Herndon Mark's relationship to Horizon Kinetics Holding Corp (HKHC) is Officer (Chief Financial Officer), and currently has 120 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other HKHC insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Herndon Mark - Insider Non-Derivative Transactions of HKHC Common Stock

Herndon Mark - Insider Non-Derivative Transactions at HKHC

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Nov 21, 2025	P -- (Common Stock)	100	29	120
Jun 5, 2025	P -- (Common Stock)	20	40.18	20