Herndon Mark

Horizon Kinetics Holding Corporation · Chief Financial Officer

Herndon Mark is listed in public filings as officer: Chief Financial Officer. This Herndon Mark insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include Horizon Kinetics Holding Corporation (HKHC). Investors use Herndon Mark's insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Horizon Kinetics Holding CorporationHKHC$8.4k300 sharesBuyMay 20, 2026$2.8K100 shares$27.85--

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Horizon Kinetics Holding CorporationHKHC$6.6k200 sharesBuyMar 18, 2026$2.6K80 shares$33.03--
Horizon Kinetics Holding CorporationHKHC$3.5k120 sharesBuyNov 20, 2025$2.9K100 shares$29.00--
Horizon Kinetics Holding CorporationHKHC$80420 sharesBuyJun 4, 2025$80420 shares$40.18--