By CapitalSnitch Research Desk · updated Oct 11, 2026 · data from SEC filings and official Congress disclosures
No open-market selling at Horizon Kinetics Holding Corp in the past year, which is unusual. Instead seven the people running the company bought about $187,000 worth of HKHC.
Biggest single buyer: Rosenthal Brent D, Director, with roughly $54,000. C-suite participation is part of the picture here.
1 investment managers listed HKHC in their latest 13F filings (Q2 2026); funds were split between buying and selling. Zooming out by quarter: 6 quarters in a row of net buying by insiders. Insiders bought in 6 of the last 7 full quarters.
Are insiders buying or selling HKHC stock?
In the last 12 months Horizon Kinetics Holding Corp insiders made open-market purchases worth about $187,000 and sales worth about $0. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
When was the last insider trade in HKHC?
The most recent open-market insider trade in HKHC was filed on 2026-09-22.
How many institutions own HKHC?
1 investment managers reported holding HKHC in SEC Form 13F filings for Q2 2026.
Has any member of Congress traded HKHC?
No congressional trades in HKHC were reported in the past two years. The full list is free on CapitalSnitch.
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Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1).
Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).