HKHC
Horizon Kinetics Holding Corp · Finance & Insurance · Market cap $376.4M
Insiders bought $105K net in the last 90 days ·0 sellers, 5 buyers· latest Form 4 filed Sep 22, 2026
Insider Buying
$186K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Unique Insiders
6
in the rolling window
Latest filing
Sep 22, 2026
Nagelberg Allison
Horizon Kinetics Holding Corp (HKHC) has 35 SEC Form 4 filings (73 transaction rows) in the rolling window, disclosed by 6 distinct insiders. Most recent filing: Sep 22, 2026.
Inside the rolling window, 6 insiders at Horizon Kinetics Holding Corp reported 34 open-market purchases totaling $186K and no open-market sales. The most active filer is CEO and CIO STAHL MURRAY with 17 filings. Insiders have net bought $128K over the trailing 6 months. The most recent open-market filing is a purchase of 190 shares by Director Nagelberg Allison, dated Sep 18, 2026, worth $5K.
- Industry:Asset Management
- CEO:Steven Bregman
- Employees:81
- HQ:New York, NY, US
- IPO:1999-11-10
| Source | |||||||
|---|---|---|---|---|---|---|---|
Nagelberg AllisonFirst in 6 months | Director | Purchase | 190 | $5K | Sep 22 | -18.4% | SEC ↗ |
| Director | Purchase | 200 | $5K | Sep 3 | cluster-22.7% | SEC ↗ | |
| Director | Purchase | 200 | $5K | Aug 31 | cluster-22.3% | SEC ↗ | |
| Director | Purchase | 200 | $5K | Aug 28 | cluster-22.7% | SEC ↗ | |
Roller Daniel JFirst filing | Director | Purchase | 500 | $13K | Aug 27 | cluster-22.4% | SEC ↗ |
| Director | Purchase | 200 | $5K | Aug 26 | cluster-22.5% | SEC ↗ | |
Brennan Alice CFirst in 8 months | Director | Purchase | 200 | $5K | Aug 25 | cluster-24.5% | SEC ↗ |
Rosenthal Brent DFirst in 3 months | Director | Purchase | 2,000 | $54K | Aug 25 | cluster-24.5% | SEC ↗ |
Herndon MarkFirst in 3 months | Chief Financial Officer | Purchase | 50 | $1K | Aug 20 | -23.9% | SEC ↗ |
Herndon MarkFirst in 3 months | Chief Financial Officer | Purchase | 200 | $5K | Aug 20 | -23.9% | SEC ↗ |
| Chief Financial Officer | Purchase | 100 | $3K | May 21 | — | SEC ↗ | |
| Director | Purchase | 700 | $19K | May 21 | — | SEC ↗ | |
| CEO and CIO | Purchase | 53 | $2K | Mar 24 | — | SEC ↗ | |
Nagelberg AllisonFirst filing | Director | Purchase | 150 | $5K | Mar 23 | — | SEC ↗ |
| CEO and CIO | Purchase | 89 | $3K | Mar 20 | — | SEC ↗ | |
| CEO and CIO | Purchase | 27 | $918 | Mar 19 | — | SEC ↗ | |
| Director | Purchase | 750 | $25K | Mar 19 | — | SEC ↗ | |
Herndon MarkFirst in 4 months | Chief Financial Officer | Purchase | 80 | $3K | Mar 19 | — | SEC ↗ |
| CEO and CIO | Purchase | 22 | $594 | Dec 11 | — | SEC ↗ | |
| CEO and CIO | Purchase | 22 | $594 | Dec 10 | — | SEC ↗ | |
| CEO and CIO | Purchase | 22 | $588 | Dec 9 | — | SEC ↗ | |
| CEO and CIO | Purchase | 22 | $611 | Dec 8 | — | SEC ↗ | |
| CEO and CIO | Purchase | 22 | $611 | Dec 5 | — | SEC ↗ | |
| CEO and CIO | Purchase | 22 | $594 | Dec 4 | — | SEC ↗ | |
| CEO and CIO | Purchase | 22 | $599 | Dec 3 | — | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does HKHC have?
Horizon Kinetics Holding Corp (HKHC) has 35 SEC Form 4 filings (73 transaction rows) in the rolling 365-day window, disclosed by 6 distinct insiders. Most recent filing: Sep 22, 2026.
When was the most recent SEC Form 4 filing for HKHC?
The most recent Form 4 filing for HKHC on Tracefour is dated Sep 22, 2026.
Who is the most active insider at HKHC?
The most active SEC Form 4 filer at HKHC in the rolling window is CEO and CIO STAHL MURRAY, with 17 filings.
What is the net insider flow at HKHC over the last 6 months?
Over the trailing 180 days, insiders at HKHC have net bought $128K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at HKHC in the current window?
Inside the rolling window, insiders at HKHC bought $186K and sold $0 based on SEC Form 4 filings.
Can I get alerts for HKHC insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Horizon Kinetics Holding Corp (HKHC). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Horizon Kinetics Holding Corp is in the Finance & Insurance sector.