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 |
| 2026-09-18 Purchase | 2026-09-22 09:28 am | Horizon Kinetics Holding Corp | HKHC | Nagelberg Allison Director | 190 | $26.27 | $4,991 | 590 (Direct) | View |
| 2026-09-02 Purchase | 2026-09-03 08:28 am | Horizon Kinetics Holding Corp | HKHC | Brennan Alice C Director | 200 | $25.92 | $5,184 | 2,000 (Direct) | View |
| 2026-08-28 Purchase | 2026-08-31 09:30 am | Horizon Kinetics Holding Corp | HKHC | Brennan Alice C Director | 200 | $26.2 | $5,240 | 1,800 (Direct) | View |
| 2026-08-27 Purchase | 2026-08-28 2:16 pm | Horizon Kinetics Holding Corp | HKHC | Brennan Alice C Director | 200 | $26 | $5,200 | 1,600 (Direct) | View |
| 2026-08-26 Purchase | 2026-08-27 1:30 pm | Horizon Kinetics Holding Corp | HKHC | Roller Daniel J Maran Partners Fund LP Maran Partners GP LLC Maran Capital Management LLC Director | 500 | $26.5 | $13,250 | 246,066 (Indirect Direct) | View |
| 2026-08-25 Purchase | 2026-08-26 11:15 am | Horizon Kinetics Holding Corp | HKHC | Brennan Alice C Director | 200 | $26.75 | $5,350 | 1,400 (Direct) | View |
| 2026-08-24 Purchase | 2026-08-25 11:50 am | Horizon Kinetics Holding Corp | HKHC | Brennan Alice C Director | 200 | $26.87 | $5,374 | 1,200 (Direct) | View |
| 2026-08-24 Purchase | 2026-08-25 10:11 am | Horizon Kinetics Holding Corp | HKHC | Rosenthal Brent D Director | 2,000 | $27 | $54,000 | 4,450 (Direct) | View |
| 2026-08-19 Purchase | 2026-08-20 2:08 pm | Horizon Kinetics Holding Corp | HKHC | Herndon Mark Chief Financial Officer | 250 | $26.7 | $6,675 | 550 (Direct) | View |
| 2026-05-20 Purchase | 2026-05-21 11:04 am | Horizon Kinetics Holding Corp | HKHC | Herndon Mark Chief Financial Officer | 100 | $27.85 | $2,785 | 300 (Direct) | View |
| 2026-05-20 Purchase | 2026-05-21 09:57 am | Horizon Kinetics Holding Corp | HKHC | Rosenthal Brent D Director | 700 | $27.85 | $19,495 | 2,450 (Direct) | View |
| 2026-03-20 Purchase(A) | 2026-03-24 2:53 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 53 | $34.6 | $1,834 | 1,086,929 (Indirect Direct) | View |
| 2026-03-20 Purchase | 2026-03-24 11:54 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 53 | $34.6 | $1,834 | 1,086,939 (Indirect Direct) | View |
| 2026-03-20 Purchase | 2026-03-23 12:11 pm | Horizon Kinetics Holding Corp | HKHC | Nagelberg Allison Director | 150 | $33.96 | $5,094 | 400 (Direct) | View |
| 2026-03-19 Purchase | 2026-03-20 12:38 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 89 | $34.06 | $3,031 | 1,086,901 (Indirect Direct) | View |
| 2026-03-18 Purchase | 2026-03-19 2:13 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 27 | $34 | $918 | 1,086,837 (Indirect Direct) | View |
| 2026-03-18 Purchase | 2026-03-19 12:31 pm | Horizon Kinetics Holding Corp | HKHC | Herndon Mark Chief Financial Officer | 80 | $33.03 | $2,642 | 200 (Direct) | View |
| 2026-03-18 Purchase | 2026-03-19 12:10 pm | Horizon Kinetics Holding Corp | HKHC | Rosenthal Brent D Director | 750 | $33.05 | $24,787 | 1,750 (Direct) | View |
| 2025-12-10 Purchase | 2025-12-11 1:08 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 22 | $27 | $594 | 1,086,819 (Indirect Direct) | View |
| 2025-12-09 Purchase | 2025-12-10 12:45 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 22 | $27 | $594 | 1,086,803 (Indirect Direct) | View |
| 2025-12-08 Purchase | 2025-12-09 11:29 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 22 | $26.73 | $588 | 1,086,787 (Indirect Direct) | View |
| 2025-12-05 Purchase | 2025-12-08 11:58 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 22 | $27.75 | $611 | 1,086,771 (Indirect Direct) | View |
| 2025-12-04 Purchase | 2025-12-05 11:00 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 22 | $27.75 | $611 | 1,086,755 (Indirect Direct) | View |
| 2025-12-03 Purchase | 2025-12-04 10:27 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 22 | $27 | $594 | 1,086,739 (Indirect Direct) | View |
| 2025-12-02 Purchase | 2025-12-03 1:35 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 22 | $27.23 | $599 | 1,086,723 (Indirect Direct) | View |
| 2025-12-01 Purchase | 2025-12-02 12:13 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 22 | $27 | $594 | 1,086,707 (Indirect Direct) | View |
| 2025-11-28 Purchase | 2025-12-01 11:49 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 22 | $27.23 | $599 | 1,086,691 (Indirect Direct) | View |
| 2025-11-26 Purchase | 2025-11-28 12:32 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 24 | $27.23 | $654 | 1,086,675 (Indirect Direct) | View |
| 2025-11-25 Purchase | 2025-11-26 12:04 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 24 | $27 | $648 | 1,086,659 (Indirect Direct) | View |
| 2025-11-25 Purchase | 2025-11-26 09:05 am | Horizon Kinetics Holding Corp | HKHC | Rosenthal Brent D Director | 300 | $27.28 | $8,184 | 1,000 (Direct) | View |
| 2025-11-24 Purchase | 2025-11-25 12:35 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 24 | $28 | $672 | 1,086,643 (Indirect Direct) | View |
| 2025-11-21 Purchase | 2025-11-24 2:22 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 25 | $28.25 | $706 | 1,086,627 (Indirect Direct) | View |
| 2025-11-20 Purchase | 2025-11-21 3:07 pm | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 24 | $27.5 | $660 | 1,086,611 (Indirect Direct) | View |
| 2025-11-20 Purchase | 2025-11-21 11:39 am | Horizon Kinetics Holding Corp | HKHC | Herndon Mark Chief Financial Officer | 100 | $29 | $2,900 | 120 (Direct) | View |
| 2025-09-09 Purchase | 2025-09-10 11:15 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 24 | $38.3 | $919 | 262,673 (Indirect Direct) | View |
| 2025-09-08 Purchase | 2025-09-09 10:43 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 25 | $38.85 | $971 | 262,661 (Indirect Direct) | View |
| 2025-09-05 Purchase | 2025-09-08 10:29 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 23 | $39 | $897 | 262,647 (Indirect Direct) | View |
| 2025-09-04 Purchase | 2025-09-05 10:51 am | Horizon Kinetics Holding Corp | HKHC | STAHL MURRAY Horizon Common Inc CEO and CIO 10% Owner | 23 | $39.45 | $907 | 262,635 (Indirect 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 |
| 2025-12-23 Other | 2025-12-23 4:54 pm | N/A N/A | Horizon Kinetics Holding Corp | HKHC | Maran Partners Fund LP Roller Daniel J Maran Partners GP LLC Maran SPV LP Maran Capital Management LLC Maran SPV GP LLC Affiliate | 67,360 | $0 | 312,926 (Direct) | View |