Insider Tracker SEC Form 4 insider trades
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HKHC

Horizon Kinetics Holding Corp

47
Insider Score Band below 60

AI score not needed: the AI review runs from a match score of 55.

Research score, not a recommendation.

Total bought$40.1K15 Form 4 purchases
Distinct insiders4open-market buyers
Lead insiderHorizon Common IncCEO
Cluster window2026-03-18 → 2026-03-20closed

Market data

Live quote and chart from Yahoo Finance, loaded through this server. Insider purchases are marked on the chart.

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Why this score

Research score: a weighted blend of the five factors, times the routine and offering discounts, minus the selling penalty.

Breadth number & diversity of participating insiders
63%
Seniority executive rank of buyers (CEO/CFO/Director)
88%
Commitment purchase size relative to company & holdings
53%
Context buying into stock weakness signals conviction
62%
Timing coordinated purchases within a tight window
100%
Routine-purchase discount × 1.00
Company-type / offering discount × 1.00
Net insider selling penalty − 0

Why are they buying?

AI score not needed: the AI review runs only on clusters with a match score of 55 or more. The filings in the table below are the primary evidence.

Stock Price & Insider Purchase History

Daily close price with open-market insider purchases plotted over time

Loading price history…

Transactions

15 Form 4 trades · 4 insiders Sign in to download CSV
Purchases in this cluster, grouped by insider, largest first
Date Insider Role Shares Price Value Filing
2026-03-18 Rosenthal Brent D 6 purchases with a 63-day result · median -6.3% Director 750 $33.05 $24.8K SEC filing for Rosenthal Brent D (opens in a new tab)
2026-03-18 → 2026-03-20 STAHL MURRAY history of STAHL MURRAY's purchases CEO 222 $34.31 avg $7.6K
2026-03-18 STAHL MURRAY 8 $34.00 $272 SEC filing for STAHL MURRAY (opens in a new tab)
2026-03-18 STAHL MURRAY 9 $34.00 $306 SEC filing for STAHL MURRAY (opens in a new tab)
2026-03-18 STAHL MURRAY 10 $34.00 $340 SEC filing for STAHL MURRAY (opens in a new tab)
2026-03-19 STAHL MURRAY 18 $34.06 $613 SEC filing for STAHL MURRAY (opens in a new tab)
2026-03-19 STAHL MURRAY 25 $34.06 $852 SEC filing for STAHL MURRAY (opens in a new tab)
2026-03-19 STAHL MURRAY 46 $34.06 $1.6K SEC filing for STAHL MURRAY (opens in a new tab)
2026-03-20 STAHL MURRAY 18 $34.60 $623 SEC filing for STAHL MURRAY (opens in a new tab)
2026-03-20 STAHL MURRAY 25 $34.60 $865 SEC filing for STAHL MURRAY (opens in a new tab)
2026-03-20 STAHL MURRAY 10 $34.60 $346 SEC filing for STAHL MURRAY (opens in a new tab)
2026-03-20 STAHL MURRAY 18 $34.60 $623 SEC filing for STAHL MURRAY (opens in a new tab)
2026-03-20 STAHL MURRAY 25 $34.60 $865 SEC filing for STAHL MURRAY (opens in a new tab)
2026-03-20 STAHL MURRAY 10 $34.60 $346 SEC filing for STAHL MURRAY (opens in a new tab)
2026-03-20 Nagelberg Allison 3 purchases with a 63-day result · median -9.5% Director 150 $33.96 $5.1K SEC filing for Nagelberg Allison (opens in a new tab)
2026-03-18 Herndon Mark 3 purchases with a 63-day result · median -9.2% CFO 80 $33.03 $2.6K SEC filing for Herndon Mark (opens in a new tab)
Total $40.1K

Other buying runs at HKHC

A run ends after a pause in the buying, so one company can have several. Returns are the stock's return minus its benchmark's (IWM for small companies, SPY otherwise), from the first open after the run became a cluster. Past results, not a forecast.

After this run became a cluster: 21 days -35.7%63 days -21.3%126 days -47.5%

Other insider buying runs at this company, newest first, with the return against the benchmark that followed
Window Insiders Total Score 21 days63 days126 days Status
2026-08-19 → 2026-09-18 5 $105.3K 49 -4.1%–– active
2025-11-20 → 2025-12-10 3 $19.8K 45 -14.4%+18.6%-18.4% closed
2025-08-20 → 2025-09-09 3 $28.9K 43 -20.8%-48.2%-20.3% closed
2024-11-14 → 2024-12-09 6 $42.0K 50 -14.8%-3.1%+8.8% closed
2024-09-03 → 2024-09-09 4 $31.1K 39 +39.6%+53.0%+56.7% closed