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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.

Mark Herndon's Trading History

HKHC
Horizon Kinetics Holding Corporation
Aug 20, 2026CFOInformative Buy6.67K$11.94K
SFES
Safeguard Scientifics
Jan 19, 2023SVP & CFOUninformative Buy―$30.46K

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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 29%.
What is the average return per transaction made by Mark Herndon?
The average return per transaction made by Mark Herndon is -13.10%.
What stocks does Mark Herndon hold?
Mark Herndon holds: HKHC, SFES stocks.
What was Mark Herndon’s latest transaction?
Mark Herndon’s 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.
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