Horizon Kinetics Holding Corp

Horizon Kinetics Holding Corp (HKHC)

Purchase of 900 shares across 2 reporting persons.

Transaction Code P · Reporting Persons 2

• Roller Daniel JPurchase of 500 shares at $26.50 per share.$13,250.00
• Brennan Alice CPurchase of 200 shares at $26 per share.$5,200.00
• Brennan Alice CPurchase of 200 shares at $26.20 per share.$5,240.00

Surfaced by rule: 2 distinct insiders, open-market purchases, 7-day window — a deterministic filter, not a recommendation.

Traded Aug 26, 2026 · Disclosed Aug 31, 2026FILED +5 DAYS

Source: SEC Form 4 · 0001437749-26-029086 · filed 2026-08-27 · View filing →

Source: SEC Form 4 · 0001437749-26-029156 · filed 2026-08-28 · View filing →

Source: SEC Form 4 · 0001437749-26-029253 · filed 2026-08-31 · View filing →

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Horizon Kinetics Holding Corp (HKHC)

Purchase of 2,650 shares across 3 reporting persons.

Transaction Code P · Reporting Persons 3

• Herndon Mark, Chief Financial OfficerPurchase of 50 shares at $26.50 per share.$1,325.00
• Herndon Mark, Chief Financial OfficerPurchase of 200 shares at $26.75 per share.$5,350.00
• Rosenthal Brent DPurchase of 2,000 shares at $27 per share.$54,000.00
• Brennan Alice CPurchase of 200 shares at $26.87 per share.$5,374.00
• Brennan Alice CPurchase of 200 shares at $26.75 per share.$5,350.00

Surfaced by rule: 3 distinct insiders, open-market purchases, 7-day window — a deterministic filter, not a recommendation.

Traded Aug 19, 2026 · Disclosed Aug 26, 2026FILED +7 DAYS

Source: SEC Form 4 · 0001437749-26-028621 · filed 2026-08-20 · View filing →

Source: SEC Form 4 · 0001437749-26-028880 · filed 2026-08-25 · View filing →

Source: SEC Form 4 · 0001437749-26-028884 · filed 2026-08-25 · View filing →

Source: SEC Form 4 · 0001437749-26-028964 · filed 2026-08-26 · View filing →

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