Herndon Mark 4

What Happened

• Mark Herndon, Chief Financial Officer of Horizon Kinetics Holding Corp (HKHC), reported an open-market purchase of 80 shares on 2026-03-18 at $33.03 per share, for a total cost of $2,642.40. This was a purchase (transaction code P), which some investors view as a bullish signal; the filing itself does not disclose motivations.

Key Details

• Transaction date: 2026-03-18
• Price per share: $33.03
• Shares acquired: 80
• Total transaction value: $2,642.40
• Transaction type/code: Open-market purchase (P)
• Shares owned after transaction: Not specified in the provided filing data
• Footnotes/plan: No 10b5-1 plan, tax withholding, or other special footnotes disclosed in the supplied details
• Filing timeliness: Form filed 2026-03-19 for the 2026-03-18 transaction — appears to be timely (no late filing indicated)

Context

• This was a small open-market purchase by a senior executive (CFO). For retail investors, purchases by officers can attract attention, but the size here is modest and the filing contains no additional explanation.