Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2025-06-10 Purchase | 2025-06-11 11:05 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 10 | $49 | $490 | 9,302,947 (Indirect Direct) | View |
2025-06-09 Purchase | 2025-06-10 11:12 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 10 | $47 | $470 | 9,302,937 (Indirect Direct) | View |
2025-06-06 Purchase | 2025-06-09 12:05 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 10 | $47 | $470 | 9,302,927 (Indirect Direct) | View |
2025-06-05 Purchase | 2025-06-06 12:40 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 10 | $41 | $410 | 9,302,917 (Indirect Direct) | View |
2025-06-04 Purchase | 2025-06-05 12:16 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 10 | $41 | $410 | 9,302,907 (Indirect Direct) | View |
2025-06-04 Purchase | 2025-06-05 12:03 pm | Horizon Kinetics Holding Corp | HKHC | Herndon Mark Chief Financial Officer | 20 | $40.18 | $804 | 20 (Direct) | View |
2025-06-03 Purchase | 2025-06-04 11:20 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 10 | $41 | $410 | 9,302,897 (Indirect Direct) | View |
2025-06-02 Purchase | 2025-06-03 1:40 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 10 | $43.5 | $435 | 9,302,887 (Indirect Direct) | View |
2025-05-30 Purchase | 2025-06-02 11:41 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 10 | $41.75 | $418 | 9,302,877 (Indirect Direct) | View |
2025-05-29 Purchase | 2025-05-30 1:57 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 10 | $41.5 | $415 | 9,302,867 (Indirect Direct) | View |
2025-05-28 Purchase | 2025-05-29 11:04 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 10 | $41.25 | $413 | 9,302,857 (Indirect Direct) | View |
2025-05-27 Purchase | 2025-05-28 11:34 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 10 | $42 | $420 | 9,302,847 (Indirect Direct) | View |
2025-05-23 Purchase | 2025-05-27 12:26 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 10 | $41.79 | $418 | 9,302,837 (Indirect Direct) | View |
2025-05-22 Purchase | 2025-05-23 12:33 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 10 | $38.5 | $385 | 9,302,827 (Indirect Direct) | View |
2025-05-21 Purchase | 2025-05-22 5:28 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 9 | $36.75 | $331 | 9,302,817 (Indirect Direct) | View |
2024-11-15 Purchase | 2025-05-05 2:49 pm | Horizon Kinetics Holding Corp | HKHC | Horizon Common Inc 10% Owner | 90 | $39.6 | $3,564 | 8,216,533 (Direct) | View |
2024-11-25 Sale | 2025-05-05 2:49 pm | Horizon Kinetics Holding Corp | HKHC | Horizon Common Inc 10% Owner | 6 | $39.75 | $239 | 8,216,533 (Direct) | View |
2024-12-09 Purchase | 2024-12-10 11:48 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY CEO and CIO 10% Owner | 14 | $43.21 | $605 | 9,302,808 (Indirect Direct) | View |
2024-12-06 Purchase | 2024-12-09 2:11 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY CEO and CIO 10% Owner | 14 | $40 | $560 | 9,302,794 (Indirect Direct) | View |
2024-12-05 Purchase | 2024-12-06 10:59 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY CEO and CIO 10% Owner | 14 | $43.1 | $603 | 9,302,780 (Indirect Direct) | View |
2024-12-04 Purchase | 2024-12-05 10:16 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY CEO and CIO 10% Owner | 14 | $41.25 | $578 | 9,302,766 (Indirect Direct) | View |
2024-12-03 Purchase | 2024-12-04 11:54 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY CEO and CIO 10% Owner | 14 | $40.75 | $571 | 9,302,752 (Indirect Direct) | View |
2024-12-02 Purchase | 2024-12-03 10:59 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY CEO and CIO 10% Owner | 14 | $38.95 | $545 | 9,302,738 (Indirect Direct) | View |
2024-11-29 Purchase | 2024-12-02 12:11 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY CEO and CIO 10% Owner | 14 | $39.5 | $553 | 9,302,724 (Indirect Direct) | View |
2024-11-27 Purchase | 2024-11-29 11:08 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY CEO and CIO 10% Owner | 14 | $41 | $574 | 9,302,710 (Indirect Direct) | View |
2024-11-26 Purchase | 2024-11-27 2:06 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY CEO and CIO 10% Owner | 14 | $39 | $546 | 9,302,696 (Indirect Direct) | View |
2024-11-25 Purchase | 2024-11-26 3:40 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY CEO and CIO 10% Owner | 14 | $39.75 | $557 | 9,302,682 (Indirect Direct) | View |
2024-11-25 Purchase | 2024-11-26 2:56 pm | Horizon Kinetics Holding Corp | HKHC | Kesslen Jay H General Counsel and Secretary | 75 | $39.69 | $2,977 | 350 (Direct) | View |
2024-11-22 Purchase | 2024-11-25 1:12 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY CEO and CIO 10% Owner | 14 | $38.75 | $543 | 9,302,668 (Indirect Direct) | View |
2024-11-22 Purchase | 2024-11-25 11:17 am | Horizon Kinetics Holding Corp | HKHC | Kesslen Jay H General Counsel and Secretary | 75 | $39 | $2,925 | 275 (Direct) | View |
2024-11-21 Purchase | 2024-11-22 11:53 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY CEO and CIO 10% Owner | 14 | $37 | $518 | 9,302,654 (Indirect Direct) | View |
2024-11-20 Purchase | 2024-11-21 12:01 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY CEO and CIO 10% Owner | 14 | $37.5 | $525 | 9,302,640 (Indirect Direct) | View |
2024-11-19 Purchase | 2024-11-20 3:56 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY CEO and CIO 10% Owner | 14 | $36.78 | $515 | 9,302,626 (Indirect Direct) | View |
2024-11-19 Purchase | 2024-11-20 09:43 am | Horizon Kinetics Holding Corp | HKHC | Rosenthal Brent D Director | 100 | $37.06 | $3,706 | 400 (Direct) | View |
2024-11-19 Purchase | 2024-11-20 09:23 am | Horizon Kinetics Holding Corp | HKHC | Williams Alun Chief Operating Officer | 50 | $36.89 | $1,845 | 50 (Direct) | View |
2024-11-18 Purchase | 2024-11-19 1:58 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY CEO and CIO 10% Owner | 15 | $38.75 | $581 | 9,302,607 (Indirect Direct) | View |
2024-11-18 Purchase | 2024-11-19 1:08 pm | Horizon Kinetics Holding Corp | HKHC | Russell Grimaldi CCO & Assoc General Counsel | 132 | $38.75 | $5,115 | 132 (Direct) | View |
2024-11-15 Purchase | 2024-11-18 2:54 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY CEO and CIO 10% Owner | 17 | $38.5 | $655 | 9,302,593 (Indirect Direct) | View |
2024-11-14 Purchase | 2024-11-18 10:12 am | Horizon Kinetics Holding Corp | HKHC | Nagelberg Allison Director | 50 | $38.99 | $1,950 | 250 (Direct) | View |
2024-11-14 Purchase | 2024-11-15 10:56 am | Horizon Kinetics Holding Corp | HKHC | Rosenthal Brent D Director | 300 | $38.06 | $11,418 | 300 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
Ownership | 2025-05-05 2:38 pm | N/A N/A | Horizon Kinetics Holding Corp | HKHC | Horizon Common Inc 10% Owner | 0 | $0 | 8,216,437 (Direct) | View |