Horizon Kinetics Holding Corp (HKHC) Insider Trading -- Recent Executive & Director Transactions

12 insiders reported 320 Form 4 transactions for Horizon Kinetics Holding Corp (HKHC) over the past 18 months (most recent 2026-05-21). Recent activity: Rosenthal Brent D (Director) Buy 700 shares, Herndon Mark (Chief Financial Officer) Buy 100 shares, Horizon Common Inc (Insider) Buy 10 shares, STAHL MURRAY (CEO and CIO) Buy 10 shares, Horizon Common Inc (Insider) Buy 25 shares. Source: SEC Form 4.

DateInsiderTitleTypeSharesValue
2026-05-21Rosenthal Brent DDirectorBuy700$19,495
2026-05-21Herndon MarkChief Financial OfficerBuy100$2,785
2026-03-24Horizon Common IncInsiderBuy10$346
2026-03-24STAHL MURRAYCEO and CIOBuy10$346
2026-03-24Horizon Common IncInsiderBuy25$865
2026-03-24STAHL MURRAYCEO and CIOBuy25$865
2026-03-24Horizon Common IncInsiderBuy18$623
2026-03-24STAHL MURRAYCEO and CIOBuy18$623
2026-03-24Horizon Common IncInsiderBuy10$346
2026-03-24STAHL MURRAYCEO and CIOBuy10$346
2026-03-24Horizon Common IncInsiderBuy25$865
2026-03-24STAHL MURRAYCEO and CIOBuy25$865
2026-03-24Horizon Common IncInsiderBuy18$623
2026-03-24STAHL MURRAYCEO and CIOBuy18$623
2026-03-23Nagelberg AllisonDirectorBuy150$5,094
2026-03-20Horizon Common IncInsiderBuy46$1,567
2026-03-20STAHL MURRAYCEO and CIOBuy46$1,567
2026-03-20Horizon Common IncInsiderBuy25$852
2026-03-20STAHL MURRAYCEO and CIOBuy25$852
2026-03-20Horizon Common IncInsiderBuy18$613
2026-03-20STAHL MURRAYCEO and CIOBuy18$613
2026-03-19Rosenthal Brent DDirectorBuy750$24,787
2026-03-19Horizon Common IncInsiderBuy10$340
2026-03-19STAHL MURRAYCEO and CIOBuy10$340
2026-03-19Horizon Common IncInsiderBuy9$306

Source: SEC Form 4 filings · as of 2026-05-21