Horizon Kinetics Holding Corp (HKHC) Insider Trading

4 insiders at Horizon Kinetics Holding Corp (HKHC) have purchased stock in the past 90 days, totaling $29K across 6 transactions (1,003 shares).

The most recent purchase was by Director Rosenthal Brent D on May 20, 2026 — a $19K buy of 700 shares at $27.85, bringing his total holdings to 2,450 shares.

Insiders who purchased: Rosenthal Brent D (Director, 1 buy totaling $19K); Nagelberg Allison (Director, 1 buy totaling $5K); Herndon Mark (CFO, 1 buy totaling $3K); STAHL MURRAY (CEO, 3 buys totaling $2K).

Insider buying at HKHC has been lighter than usual — there were 107 purchases in the prior nine months.

HKHC is in the Consumer products sector within the Consumer products industry with a market cap of $498M.

With 4 different insiders buying in the same 90-day window, this qualifies as cluster buying at HKHC — a pattern that research suggests can signal conviction among management.

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