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Mark Herndon Insider Profile

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Mark Herndon, CFO at Horizon Kinetics Holding Corporation, holds 550.00 shares in Horizon Kinetics Holding Corporation (Ticker: HKHC), holds 57.47K shares in Safeguard Scientifics (Ticker: SFES). Most recently, Mark Herndon Bought ― shares of Horizon Kinetics Holding Corporation on Aug 20, 2026 for an estimated value of $6.67K.
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Mark Herndon

Mark Herndon
Horizon Kinetics Holding Corporation (HKHC)
CFO

Ranked #62,957 out of 109,030 Corporate Insiders

Profitable Transactions

43%
3 out of 7 Profitable Transactions

Average Return

-3.50%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$36K
59.97%
40.03%
A breakdown of Mark Herndon's holdings
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Insider Roles

Safeguard Scientifics
(SFES)
SVP & CFO
Horizon Kinetics Holding Corporation
(HKHC)
CFO
Roles that Mark Herndon holds in companies
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Most Profitable Insider Trade

Stock:
Safeguard Scientifics
(SFES)
Rating:Informative Buy
Date:Dec 10, 2018 - Dec 10, 2019
Return:+26.70%
The most profitable trade made by Mark Herndon
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Mark Herndon's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
HKHC
Horizon Kinetics Holding Corporation
Aug 20, 2026
CFO
Informative Buy
6.67K
$14.57K
SFES
Safeguard Scientifics
Jan 19, 2023
SVP & CFO
Uninformative Buy
―
$21.84K
List of latest transactions for each holding click on a transaction to see Mark Herndon's performance on stock
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Mark Herndon insider profile FAQ

What is the percentage of profitable transactions made by Mark Herndon?
The percentage of profitable transactions made by Mark Herndon is 43%.
    What is the average return per transaction made by Mark Herndon?
    The average return per transaction made by Mark Herndon is -3.50%.
      What stocks does Mark Herndon hold?
      Mark Herndon holds: HKHC, SFES stocks.
        What was Mark Herndon’s latest transaction?
        Mark Herndon latest transaction was an Informative Buy of $6.67K.
          What was Mark Herndon's most profitable transaction?
          Mark Herndon’s most profitable transaction was an Informative Buy of SFES stock on December 10, 2018. The return on the trade was 26.70%.
            What is Mark Herndon's role in Horizon Kinetics Holding Corporation?
            Mark Herndon's role in Horizon Kinetics Holding Corporation is CFO.
              How can I follow the stock ratings of top corporate insiders?
              Head over to our Expert Center to see a list of the Top 100 corporate insiders and follow the corporate insiders of your choice. Visit their profiles for more details about their stock transactions and see how they perform on a stock-by-stock basis.