Nagelberg Allison
Director
Buy
Calculated transaction value
$4.99K
190 shares @ $26.27
Traded
Sep 18, 2026
Filed
Sep 22, 2026
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Horizon Kinetics Holding Corp
HKHC
Transactions reported in official disclosures
10 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Nagelberg Allison Director | Sep 22, 2026 4-day lag | Buy Sep 18, 2026 | $4.99K Filed shares x price | SEC Form 4 View filing | |
| Brennan Alice C Director | Sep 3, 2026 1-day lag | Buy Sep 2, 2026 | $5.18K Filed shares x price | SEC Form 4 View filing | |
| Brennan Alice C Director | Aug 31, 2026 3-day lag | Buy Aug 28, 2026 | $5.24K Filed shares x price | SEC Form 4 View filing | |
| Brennan Alice C Director | Aug 28, 2026 1-day lag | Buy Aug 27, 2026 | $5.2K Filed shares x price | SEC Form 4 View filing | |
| Roller Daniel J Director | Aug 27, 2026 1-day lag | Buy Aug 26, 2026 | $13.25K Filed shares x price | SEC Form 4 View filing | |
| Brennan Alice C Director | Aug 26, 2026 1-day lag | Buy Aug 25, 2026 | $5.35K Filed shares x price | SEC Form 4 View filing | |
| Brennan Alice C Director | Aug 25, 2026 1-day lag | Buy Aug 24, 2026 | $5.37K Filed shares x price | SEC Form 4 View filing | |
| Rosenthal Brent D Director | Aug 25, 2026 1-day lag | Buy Aug 24, 2026 | $54K Filed shares x price | SEC Form 4 View filing | |
| Herndon Mark Chief Financial Officer | Aug 20, 2026 Same-day filing | Buy Aug 20, 2026 | $5.35K Filed shares x price | SEC Form 4 View filing | |
| Herndon Mark Chief Financial Officer | Aug 20, 2026 1-day lag | Buy Aug 19, 2026 | $1.32K Filed shares x price | SEC Form 4 View filing |
Brennan Alice C
Director
Buy
Calculated transaction value
$5.18K
200 shares @ $25.92
Traded
Sep 2, 2026
Filed
Sep 3, 2026
Brennan Alice C
Director
Buy
Calculated transaction value
$5.24K
200 shares @ $26.2
Traded
Aug 28, 2026
Filed
Aug 31, 2026
Brennan Alice C
Director
Buy
Calculated transaction value
$5.2K
200 shares @ $26
Traded
Aug 27, 2026
Filed
Aug 28, 2026
Roller Daniel J
Director
Buy
Calculated transaction value
$13.25K
500 shares @ $26.5
Traded
Aug 26, 2026
Filed
Aug 27, 2026
Brennan Alice C
Director
Buy
Calculated transaction value
$5.35K
200 shares @ $26.75
Traded
Aug 25, 2026
Filed
Aug 26, 2026
Brennan Alice C
Director
Buy
Calculated transaction value
$5.37K
200 shares @ $26.87
Traded
Aug 24, 2026
Filed
Aug 25, 2026
Rosenthal Brent D
Director
Buy
Calculated transaction value
$54K
2,000 shares @ $27
Traded
Aug 24, 2026
Filed
Aug 25, 2026
Herndon Mark
Chief Financial Officer
Buy
Calculated transaction value
$5.35K
200 shares @ $26.75
Traded
Aug 20, 2026
Filed
Aug 20, 2026
Herndon Mark
Chief Financial Officer
Buy
Calculated transaction value
$1.32K
50 shares @ $26.5
Traded
Aug 19, 2026
Filed
Aug 20, 2026