HERNDON MARK

PrivateCIK: 1754318
Location

RADNOR, PA

HERNDON MARK (Chief Financial Officer) purchased 66.7% of their position (80.00 shares) of HORIZON KINETICS HOLDING CORP on the open market

Open‑market purchase worth $2.6K — a major conviction buy. The strongest form of insider conviction signal.

P · 1 purchase
InsiderHERNDON MARKCIK 1754318
Officer· Chief Financial Officer
Since Aug 2024
+80.00
Net shares
Net buyer
$2.6K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
80.00 acquired
Non-Derivative Transactions1

Common Stock

Direct
P · Purchase

Shares

+80.00

Price / share

$33.03

Trade value

$2.64K

% of position

66.7%
3/18/2026
120.00200.00
Total

Net shares

+80.00

Net value

$2.64K

Derivative Transactions0
No derivative transactions reported
HERNDON MARK — Insider Transaction (Form 4) Filed Mar 19, 2026 | Finecho