Herndon Mark bought HKHC
May 20, 2026 · Form 4 insider transaction
Herndon Mark bought 100 shares of Horizon Kinetics Holding Corporation at $27.85 per share, a transaction worth $2.8K. The trade was recorded as open-market purchase and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Acquired (buy-side)
Shares
100
Price
$27.85
Total value
$2.8K
InsiderHerndon Mark
Role—
SecurityCommon Stock
Transaction codeP: Open-market purchase
Transaction dateMay 20, 2026
Filing dateMay 21, 2026
Shares owned after300
OwnershipDirect
10b5-1 planNo
AmendedNo