Herndon Mark — Chief Financial Officer
Insider trading activity for Herndon Mark sourced from SEC EDGAR Form 4 filings.
Overview
- Title: Chief Financial Officer
- Company: Horizon Kinetics Holding Corp
- Total insider trades: 2
- Total buy volume: $7K
- Total sell volume: $0
- Last trade: Aug 20, 2026
Recent Trades
| Date | Insider | Ticker / Company | Type | Shares | Value |
|---|---|---|---|---|---|
| Aug 20, 2026 | Herndon Mark | HKHC Horizon Kinetics Holding Corp | BUY | 200 | $5K |
| Aug 19, 2026 | Herndon Mark | HKHC Horizon Kinetics Holding Corp | BUY | 50 | $1K |